subject:(515)

Loughborough University

1. Duan, Yuejiao. Stochastic perturbations of intermittent maps.

Degree: PhD, 2013, Loughborough University

URL: https://dspace.lboro.ac.uk/2134/13294 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.588005

► This thesis studies statistical properties of intermittent maps. We obtain three new results. First we use an Ulam-type discretization scheme to provide {\em{pointwise}} approximations for… (more)

Subjects/Keywords: 515

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APA (6^th Edition):

Duan, Y. (2013). Stochastic perturbations of intermittent maps. (Doctoral Dissertation). Loughborough University. Retrieved from https://dspace.lboro.ac.uk/2134/13294 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.588005

Chicago Manual of Style (16^th Edition):

Duan, Yuejiao. “Stochastic perturbations of intermittent maps.” 2013. Doctoral Dissertation, Loughborough University. Accessed February 21, 2020. https://dspace.lboro.ac.uk/2134/13294 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.588005.

MLA Handbook (7^th Edition):

Duan, Yuejiao. “Stochastic perturbations of intermittent maps.” 2013. Web. 21 Feb 2020.

Vancouver:

Duan Y. Stochastic perturbations of intermittent maps. [Internet] [Doctoral dissertation]. Loughborough University; 2013. [cited 2020 Feb 21]. Available from: https://dspace.lboro.ac.uk/2134/13294 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.588005.

Council of Science Editors:

Duan Y. Stochastic perturbations of intermittent maps. [Doctoral Dissertation]. Loughborough University; 2013. Available from: https://dspace.lboro.ac.uk/2134/13294 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.588005

Loughborough University

2. Edwards, Antony W. Using example generation to explore undergraduates conceptions of real sequences : a phenomenographic study.

Degree: PhD, 2011, Loughborough University

URL: https://dspace.lboro.ac.uk/2134/8457 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.549271

► This thesis uses an example generation task to explore undergraduate students' understanding of basic sequence properties in Real Analysis. First, a review of the literature… (more)

▼ This thesis uses an example generation task to explore undergraduate students' understanding of basic sequence properties in Real Analysis. First, a review of the literature looks at three areas of research: the transition to studying mathematics at the tertiary level, examples and the process of example generation, and the learning of Real Analysis. It notes a lack of research on how students interact with simpler de nitions in Analysis, and suggests that an example generation task is an ideal research tool for this purpose. Then, two pilot studies are reported. The rst gave 101 students an example generation task during a lecture. In this task, students were asked to generate examples of sequences that satis ed certain combinations of properties. In the second pilot study a similar task was given to six students in an interview setting with a `think-aloud' protocol. These pilot studies found that many students gave sequences that did not satisfy the requested properties, whilst other students gave examples that were not sequences. The thesis then reports on a main study in which the example generation task was completed by 15 students during an interview, and 147 students during classes. The interview data is analysed phenomenographically, with results presented along four dimensions of variation, where each dimension describes di erent ways of experiencing an aspect of sequence example generation: Using De nitions, Representation of Sequences, Sequence Construction Strategies, and Justi cations. The larger-scale class data is then analysed by Rasch Analysis to objectively rank the questions in order of their di culty, and to show that the interview-based responses re ect those in the wider cohort. By asking students to generate their own examples of sequences, this thesis has furthered what is known about student understanding in two areas. The rst area is how students understand content related to sequences in Analysis. The thesis considers students' understanding of how sequences can be represented, how sequence property de nitions can be combined and how de nitions a ect sequences in di erent ways. The second area is how students interact with example generation tasks, the approaches that are e ective when students are trying to generate examples, and the ways students justify or check their answers.

Subjects/Keywords: 515

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APA (6^th Edition):

Edwards, A. W. (2011). Using example generation to explore undergraduates conceptions of real sequences : a phenomenographic study. (Doctoral Dissertation). Loughborough University. Retrieved from https://dspace.lboro.ac.uk/2134/8457 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.549271

Chicago Manual of Style (16^th Edition):

Edwards, Antony W. “Using example generation to explore undergraduates conceptions of real sequences : a phenomenographic study.” 2011. Doctoral Dissertation, Loughborough University. Accessed February 21, 2020. https://dspace.lboro.ac.uk/2134/8457 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.549271.

MLA Handbook (7^th Edition):

Edwards, Antony W. “Using example generation to explore undergraduates conceptions of real sequences : a phenomenographic study.” 2011. Web. 21 Feb 2020.

Vancouver:

Edwards AW. Using example generation to explore undergraduates conceptions of real sequences : a phenomenographic study. [Internet] [Doctoral dissertation]. Loughborough University; 2011. [cited 2020 Feb 21]. Available from: https://dspace.lboro.ac.uk/2134/8457 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.549271.

Council of Science Editors:

Edwards AW. Using example generation to explore undergraduates conceptions of real sequences : a phenomenographic study. [Doctoral Dissertation]. Loughborough University; 2011. Available from: https://dspace.lboro.ac.uk/2134/8457 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.549271

Durham University

3. Diwan, Ganesh Chandrashen. Partition of unity boundary element and finite element method : overcoming nonuniqueness and coupling for acoustic scattering in heterogeneous media.

Degree: PhD, 2014, Durham University

URL: http://etheses.dur.ac.uk/10730/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.614468

► The understanding of complex wave phenomenon, such as multiple scattering in heterogeneous media, is often hindered by lack of equations modelling the exact physics. Use… (more)

▼ The understanding of complex wave phenomenon, such as multiple scattering in heterogeneous media, is often hindered by lack of equations modelling the exact physics. Use of approximate numerical methods, such as Finite Element Method (FEM) and Boundary Element Method (BEM), is therefore needed to understand these complex wave problems. FEM is known for its ability to accurately model the physics of the problem but requires truncating the computational domain. On the other hand, BEM can accurately model waves in unbounded region but is suitable for homogeneous media only. Coupling FEM and BEM therefore is a natural way to solve problems involving a relatively small heterogeneity (to be modelled with FEM) surrounded by an unbounded homogeneous medium (to be modelled with BEM). The use of a classical FEM-BEM coupling can become computationally demanding due to high mesh density requirement at high frequencies. Secondly, BEM is an integral equation based technique and suffers from the problem of non-uniqueness. To overcome the requirement of high mesh density for high frequencies, a technique known as the ‘Partition of Unity’ (PU) method has been developed by previous researchers. The work presented in this thesis extends the concept of PU to BEM (PUBEM) while effectively treating the problem of non-uniqueness. Two of the well-known methods, namely CHIEF and Burton-Miller approaches, to overcome the non-uniqueness problem, are compared for PUBEM. It is shown that the CHIEF method is relatively easy to implement and results in at least one order of magnitude of improvement in the accuracy. A modified ‘PU’ concept is presented to solve the heterogeneous problems with the PU based FEM (PUFEM). It is shown that use of PUFEM results in close to two orders of magnitude improvement over FEM despite using a much coarser mesh. The two methods, namely PUBEM and PUFEM, are then coupled to solve the heterogeneous wave problems in unbounded media. Compared to PUFEM, the coupled PUFEM-PUBEM apporach is shown to result between 30-40% savings in the total degress of freedom required to achieve similar accuracy.

Subjects/Keywords: 515

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APA (6^th Edition):

Diwan, G. C. (2014). Partition of unity boundary element and finite element method : overcoming nonuniqueness and coupling for acoustic scattering in heterogeneous media. (Doctoral Dissertation). Durham University. Retrieved from http://etheses.dur.ac.uk/10730/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.614468

Chicago Manual of Style (16^th Edition):

Diwan, Ganesh Chandrashen. “Partition of unity boundary element and finite element method : overcoming nonuniqueness and coupling for acoustic scattering in heterogeneous media.” 2014. Doctoral Dissertation, Durham University. Accessed February 21, 2020. http://etheses.dur.ac.uk/10730/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.614468.

MLA Handbook (7^th Edition):

Diwan, Ganesh Chandrashen. “Partition of unity boundary element and finite element method : overcoming nonuniqueness and coupling for acoustic scattering in heterogeneous media.” 2014. Web. 21 Feb 2020.

Vancouver:

Diwan GC. Partition of unity boundary element and finite element method : overcoming nonuniqueness and coupling for acoustic scattering in heterogeneous media. [Internet] [Doctoral dissertation]. Durham University; 2014. [cited 2020 Feb 21]. Available from: http://etheses.dur.ac.uk/10730/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.614468.

Council of Science Editors:

Diwan GC. Partition of unity boundary element and finite element method : overcoming nonuniqueness and coupling for acoustic scattering in heterogeneous media. [Doctoral Dissertation]. Durham University; 2014. Available from: http://etheses.dur.ac.uk/10730/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.614468

Heriot-Watt University

4. Jante, Rogelio. On the spectrum of some gravitational instantons.

Degree: PhD, 2015, Heriot-Watt University

URL: http://hdl.handle.net/10399/3083

► In this thesis we study Dirac operators on the Euclidean Taub-NUT and Schwarzschild spaces coupled to abelian gauge fields, with the aim of computing the… (more)

Subjects/Keywords: 515

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APA (6^th Edition):

Jante, R. (2015). On the spectrum of some gravitational instantons. (Doctoral Dissertation). Heriot-Watt University. Retrieved from http://hdl.handle.net/10399/3083

Chicago Manual of Style (16^th Edition):

Jante, Rogelio. “On the spectrum of some gravitational instantons.” 2015. Doctoral Dissertation, Heriot-Watt University. Accessed February 21, 2020. http://hdl.handle.net/10399/3083.

MLA Handbook (7^th Edition):

Jante, Rogelio. “On the spectrum of some gravitational instantons.” 2015. Web. 21 Feb 2020.

Vancouver:

Jante R. On the spectrum of some gravitational instantons. [Internet] [Doctoral dissertation]. Heriot-Watt University; 2015. [cited 2020 Feb 21]. Available from: http://hdl.handle.net/10399/3083.

Council of Science Editors:

Jante R. On the spectrum of some gravitational instantons. [Doctoral Dissertation]. Heriot-Watt University; 2015. Available from: http://hdl.handle.net/10399/3083

University of Leicester

5. Dong, Zhaonan. Discontinuous Galerkin methods on polytopic meshes.

Degree: PhD, 2017, University of Leicester

URL: http://hdl.handle.net/2381/39140

► This thesis is concerned with the analysis and implementation of the hp-version interior penalty discontinuous Galerkin finite element method (DGFEM) on computational meshes consisting of… (more)

Subjects/Keywords: 515

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APA (6^th Edition):

Dong, Z. (2017). Discontinuous Galerkin methods on polytopic meshes. (Doctoral Dissertation). University of Leicester. Retrieved from http://hdl.handle.net/2381/39140

Chicago Manual of Style (16^th Edition):

Dong, Zhaonan. “Discontinuous Galerkin methods on polytopic meshes.” 2017. Doctoral Dissertation, University of Leicester. Accessed February 21, 2020. http://hdl.handle.net/2381/39140.

MLA Handbook (7^th Edition):

Dong, Zhaonan. “Discontinuous Galerkin methods on polytopic meshes.” 2017. Web. 21 Feb 2020.

Vancouver:

Dong Z. Discontinuous Galerkin methods on polytopic meshes. [Internet] [Doctoral dissertation]. University of Leicester; 2017. [cited 2020 Feb 21]. Available from: http://hdl.handle.net/2381/39140.

Council of Science Editors:

Dong Z. Discontinuous Galerkin methods on polytopic meshes. [Doctoral Dissertation]. University of Leicester; 2017. Available from: http://hdl.handle.net/2381/39140

6. Wang, Hongrui. Error and stability analysis for B-spline finite element methods.

Degree: PhD, 2015, University of Strathclyde

URL: http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=26570 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.685091

► The thesis studies the approximation properties of splines with maximum smoothness. We are interested in the behaviour of the approximation as the degree of the… (more)

Subjects/Keywords: 515

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APA (6^th Edition):

Wang, H. (2015). Error and stability analysis for B-spline finite element methods. (Doctoral Dissertation). University of Strathclyde. Retrieved from http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=26570 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.685091

Chicago Manual of Style (16^th Edition):

Wang, Hongrui. “Error and stability analysis for B-spline finite element methods.” 2015. Doctoral Dissertation, University of Strathclyde. Accessed February 21, 2020. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=26570 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.685091.

MLA Handbook (7^th Edition):

Wang, Hongrui. “Error and stability analysis for B-spline finite element methods.” 2015. Web. 21 Feb 2020.

Vancouver:

Wang H. Error and stability analysis for B-spline finite element methods. [Internet] [Doctoral dissertation]. University of Strathclyde; 2015. [cited 2020 Feb 21]. Available from: http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=26570 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.685091.

Council of Science Editors:

Wang H. Error and stability analysis for B-spline finite element methods. [Doctoral Dissertation]. University of Strathclyde; 2015. Available from: http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=26570 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.685091

King's College London (University of London)

7. Hartung, Tobias. z-functions of Fourier Integral Operators.

Degree: PhD, 2015, King's College London (University of London)

URL: http://kclpure.kcl.ac.uk/portal/en/theses/zfunctions-of-fourier-integral-operators(933e5068-2890-4d32-a991-fafa784bfda7).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.684410

► Based on Guillemin’s work on gauged Lagrangian distributions, we will introduce the notion of a gauged poly-log-homogeneous distribution as an approach to ζ-functions for a… (more)

Subjects/Keywords: 515

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APA (6^th Edition):

Hartung, T. (2015). z-functions of Fourier Integral Operators. (Doctoral Dissertation). King's College London (University of London). Retrieved from http://kclpure.kcl.ac.uk/portal/en/theses/zfunctions-of-fourier-integral-operators(933e5068-2890-4d32-a991-fafa784bfda7).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.684410

Chicago Manual of Style (16^th Edition):

Hartung, Tobias. “z-functions of Fourier Integral Operators.” 2015. Doctoral Dissertation, King's College London (University of London). Accessed February 21, 2020. http://kclpure.kcl.ac.uk/portal/en/theses/zfunctions-of-fourier-integral-operators(933e5068-2890-4d32-a991-fafa784bfda7).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.684410.

MLA Handbook (7^th Edition):

Hartung, Tobias. “z-functions of Fourier Integral Operators.” 2015. Web. 21 Feb 2020.

Vancouver:

Hartung T. z-functions of Fourier Integral Operators. [Internet] [Doctoral dissertation]. King's College London (University of London); 2015. [cited 2020 Feb 21]. Available from: http://kclpure.kcl.ac.uk/portal/en/theses/zfunctions-of-fourier-integral-operators(933e5068-2890-4d32-a991-fafa784bfda7).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.684410.

Council of Science Editors:

Hartung T. z-functions of Fourier Integral Operators. [Doctoral Dissertation]. King's College London (University of London); 2015. Available from: http://kclpure.kcl.ac.uk/portal/en/theses/zfunctions-of-fourier-integral-operators(933e5068-2890-4d32-a991-fafa784bfda7).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.684410

University of Exeter

8. Perryman, Clare Georgina. How fast is too fast? : rate-induced bifurcations in multiple time-scale systems.

Degree: PhD, 2015, University of Exeter

URL: http://hdl.handle.net/10871/21141

► This thesis studies the phenomena of rate-induced bifurcations. Externally forced systems may have a critical rate, above which they undergo some sort of destabilisation, and… (more)

Subjects/Keywords: 515

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APA (6^th Edition):

Perryman, C. G. (2015). How fast is too fast? : rate-induced bifurcations in multiple time-scale systems. (Doctoral Dissertation). University of Exeter. Retrieved from http://hdl.handle.net/10871/21141

Chicago Manual of Style (16^th Edition):

Perryman, Clare Georgina. “How fast is too fast? : rate-induced bifurcations in multiple time-scale systems.” 2015. Doctoral Dissertation, University of Exeter. Accessed February 21, 2020. http://hdl.handle.net/10871/21141.

MLA Handbook (7^th Edition):

Perryman, Clare Georgina. “How fast is too fast? : rate-induced bifurcations in multiple time-scale systems.” 2015. Web. 21 Feb 2020.

Vancouver:

Perryman CG. How fast is too fast? : rate-induced bifurcations in multiple time-scale systems. [Internet] [Doctoral dissertation]. University of Exeter; 2015. [cited 2020 Feb 21]. Available from: http://hdl.handle.net/10871/21141.

Council of Science Editors:

Perryman CG. How fast is too fast? : rate-induced bifurcations in multiple time-scale systems. [Doctoral Dissertation]. University of Exeter; 2015. Available from: http://hdl.handle.net/10871/21141

University of Leicester

9. Cole, David Richard Fairhurst. Asymptotic state and parameter observation for dynamical systems with nonlinear parameterisation.

Degree: PhD, 2014, University of Leicester

URL: http://hdl.handle.net/2381/29323

► We consider the problem of asymptotic reconstruction of state and parameter values in dynamical systems that cannot be transformed into a canonical adaptive observer form.… (more)

Subjects/Keywords: 515

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Cole, D. R. F. (2014). Asymptotic state and parameter observation for dynamical systems with nonlinear parameterisation. (Doctoral Dissertation). University of Leicester. Retrieved from http://hdl.handle.net/2381/29323

Chicago Manual of Style (16^th Edition):

Cole, David Richard Fairhurst. “Asymptotic state and parameter observation for dynamical systems with nonlinear parameterisation.” 2014. Doctoral Dissertation, University of Leicester. Accessed February 21, 2020. http://hdl.handle.net/2381/29323.

MLA Handbook (7^th Edition):

Cole, David Richard Fairhurst. “Asymptotic state and parameter observation for dynamical systems with nonlinear parameterisation.” 2014. Web. 21 Feb 2020.

Vancouver:

Cole DRF. Asymptotic state and parameter observation for dynamical systems with nonlinear parameterisation. [Internet] [Doctoral dissertation]. University of Leicester; 2014. [cited 2020 Feb 21]. Available from: http://hdl.handle.net/2381/29323.

Council of Science Editors:

Cole DRF. Asymptotic state and parameter observation for dynamical systems with nonlinear parameterisation. [Doctoral Dissertation]. University of Leicester; 2014. Available from: http://hdl.handle.net/2381/29323

King's College London (University of London)

10. Subramaniam, Suba Raman. Fractional Fourier-based filtering and applications.

Degree: PhD, 2013, King's College London (University of London)

URL: https://kclpure.kcl.ac.uk/portal/en/theses/fractional-fourierbased-filtering-and-applications(ab0a3a4e-6e0c-4b60-9c39-0b2f79dd6160).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.634132

► Fractional Fourier theory has provided a generalization of the classical Fourier transform, and as a result has become a rich area of new concepts and… (more)

Subjects/Keywords: 515

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APA (6^th Edition):

Subramaniam, S. R. (2013). Fractional Fourier-based filtering and applications. (Doctoral Dissertation). King's College London (University of London). Retrieved from https://kclpure.kcl.ac.uk/portal/en/theses/fractional-fourierbased-filtering-and-applications(ab0a3a4e-6e0c-4b60-9c39-0b2f79dd6160).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.634132

Chicago Manual of Style (16^th Edition):

Subramaniam, Suba Raman. “Fractional Fourier-based filtering and applications.” 2013. Doctoral Dissertation, King's College London (University of London). Accessed February 21, 2020. https://kclpure.kcl.ac.uk/portal/en/theses/fractional-fourierbased-filtering-and-applications(ab0a3a4e-6e0c-4b60-9c39-0b2f79dd6160).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.634132.

MLA Handbook (7^th Edition):

Subramaniam, Suba Raman. “Fractional Fourier-based filtering and applications.” 2013. Web. 21 Feb 2020.

Vancouver:

Subramaniam SR. Fractional Fourier-based filtering and applications. [Internet] [Doctoral dissertation]. King's College London (University of London); 2013. [cited 2020 Feb 21]. Available from: https://kclpure.kcl.ac.uk/portal/en/theses/fractional-fourierbased-filtering-and-applications(ab0a3a4e-6e0c-4b60-9c39-0b2f79dd6160).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.634132.

Council of Science Editors:

Subramaniam SR. Fractional Fourier-based filtering and applications. [Doctoral Dissertation]. King's College London (University of London); 2013. Available from: https://kclpure.kcl.ac.uk/portal/en/theses/fractional-fourierbased-filtering-and-applications(ab0a3a4e-6e0c-4b60-9c39-0b2f79dd6160).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.634132

University of Leicester

11. Naqvi, Syeda Laila. Adaptive radial basis function interpolation for time-dependent partial differential equations.

Degree: PhD, 2013, University of Leicester

URL: http://hdl.handle.net/2381/28184

► In this thesis we have proposed the meshless adaptive method by radial basis functions (RBFs) for the solution of the time-dependent partial differential equations (PDEs)… (more)

Subjects/Keywords: 515

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APA (6^th Edition):

Naqvi, S. L. (2013). Adaptive radial basis function interpolation for time-dependent partial differential equations. (Doctoral Dissertation). University of Leicester. Retrieved from http://hdl.handle.net/2381/28184

Chicago Manual of Style (16^th Edition):

Naqvi, Syeda Laila. “Adaptive radial basis function interpolation for time-dependent partial differential equations.” 2013. Doctoral Dissertation, University of Leicester. Accessed February 21, 2020. http://hdl.handle.net/2381/28184.

MLA Handbook (7^th Edition):

Naqvi, Syeda Laila. “Adaptive radial basis function interpolation for time-dependent partial differential equations.” 2013. Web. 21 Feb 2020.

Vancouver:

Naqvi SL. Adaptive radial basis function interpolation for time-dependent partial differential equations. [Internet] [Doctoral dissertation]. University of Leicester; 2013. [cited 2020 Feb 21]. Available from: http://hdl.handle.net/2381/28184.

Council of Science Editors:

Naqvi SL. Adaptive radial basis function interpolation for time-dependent partial differential equations. [Doctoral Dissertation]. University of Leicester; 2013. Available from: http://hdl.handle.net/2381/28184

Loughborough University

12. Kyriakopoulos, Konstantinos G. Wavelet analysis for compression and feature extraction of network performance measurements.

Degree: PhD, 2008, Loughborough University

URL: https://dspace.lboro.ac.uk/2134/3558 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.505367

► Monitored network data allows network managers and operators to gain valuable insight into the health and status of a network. Whilst such data is useful… (more)

▼ Monitored network data allows network managers and operators to gain valuable insight into the health and status of a network. Whilst such data is useful for real-time analysis, there is often a need to post-process historical network performance data. Storage of the monitored data then becomes a serious issue as network monitoring activities generate significant quantities of data. This thesis is part of the EPSRC sponsored MASTS (Measurements in All Scales in Time and Space) project. MASTS is a joint project between Loughborough, Cambridge and UCL and focuses on measuring, analyzing, compressing and storing network characteristics of JANET (UK's research/academic network). The work in this thesis is motivated by the need of measuring the performance of high-speed networks and particularly of UKLight. UKLight connects JANET to U.S.A and the rest of Europe. Such networks produce large amounts of data over a long period of time, making the storage of this information practically inefficient. A possible solution to this problem is to use lossy compression on an on-line system that intelligently compresses computer network measurements while preserving the quality in important characteristics of the signal and various statistical properties. This thesis contributes to the knowledge by examining two threshold estimation techniques, two threshold application techniques, the impact of window size on the lossy compression performance. In addition eight different wavelets were examined in terms of compression performance, energy preservation, scaling be- haviour, quality attributes (mean, standard deviation, visual quality and PSNR) and Long Range Dependence. Finally, this thesis contributes by presenting a technique for precise quality control of the reconstructed signal and an additional use of wavelets for detecting sudden changes. The results of the thesis show that the proposed Gupta-Kaur (GK) based algorithm compresses on average delay signals 17 times and data rate signals 11.2 times while accurately preserving their statistical properties.

Subjects/Keywords: 515

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Kyriakopoulos, K. G. (2008). Wavelet analysis for compression and feature extraction of network performance measurements. (Doctoral Dissertation). Loughborough University. Retrieved from https://dspace.lboro.ac.uk/2134/3558 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.505367

Chicago Manual of Style (16^th Edition):

Kyriakopoulos, Konstantinos G. “Wavelet analysis for compression and feature extraction of network performance measurements.” 2008. Doctoral Dissertation, Loughborough University. Accessed February 21, 2020. https://dspace.lboro.ac.uk/2134/3558 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.505367.

MLA Handbook (7^th Edition):

Kyriakopoulos, Konstantinos G. “Wavelet analysis for compression and feature extraction of network performance measurements.” 2008. Web. 21 Feb 2020.

Vancouver:

Kyriakopoulos KG. Wavelet analysis for compression and feature extraction of network performance measurements. [Internet] [Doctoral dissertation]. Loughborough University; 2008. [cited 2020 Feb 21]. Available from: https://dspace.lboro.ac.uk/2134/3558 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.505367.

Council of Science Editors:

Kyriakopoulos KG. Wavelet analysis for compression and feature extraction of network performance measurements. [Doctoral Dissertation]. Loughborough University; 2008. Available from: https://dspace.lboro.ac.uk/2134/3558 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.505367

Heriot-Watt University

13. Dagbovie, Ayawoa. Applications of stability theory to ecological problems.

Degree: PhD, 2013, Heriot-Watt University

URL: http://hdl.handle.net/10399/2795

► The goal of ecology is to investigate the interactions among organisms and their environment. However, ecological systems often exhibit complex dynamics. The application of mathematics… (more)

▼ The goal of ecology is to investigate the interactions among organisms and their environment. However, ecological systems often exhibit complex dynamics. The application of mathematics to ecological problems has made tremendous progress over the years and many mathematical methods and tools have been developed for the exploration, whether analytical or numerical, of these dynamics. Mathematicians often study ecological systems by modelling them with partial differential equations (PDEs). Calculating the stability of solutions to these PDE systems is a classical question. This thesis first explores the concept of stability in the context of predator-prey invasions. Many ecological systems exhibit multi-year cycles. In such systems, invasions have a complicated spatiotemporal structure. In particular, it is common for unstable steady states to exist as long-term transients behind the invasion front, a phenomenon known as dynamical stabilisation. We combine absolute stability theory and computation to predict how the width of the stabilised region depends on parameter values. We develop our calculations in the context of a model for a cyclic predator-prey system, in which the invasion front and spatiotemporal oscillations of predators and prey are separated by a region in which the coexistence steady state is dynamically stabilised. Vegetation pattern formation in water-limited environments is another topic where stability theory plays a key role; indeed in mathematical models, these patterns are often the results of the dynamics that arise from perturbations to an unstable homogeneous steady state. Vegetation patterns are widespread in semi-deserts and aerial photographs of arid and semi-arid ecosystems have shown several kilometers square of these patterns. On hillsides in particular, vegetation is organised into banded spatial patterns. We first choose a domain in parameter space and calculate the boundary of the region in parameter space where pattern solutions exist. Finally we conclude with investigating how changes in the mean annual rainfall affect the properties of pattern solutions. Our work also highlights the importance of research on the calculation of the absolute spectrum for non-constant solutions.

Subjects/Keywords: 515

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APA (6^th Edition):

Dagbovie, A. (2013). Applications of stability theory to ecological problems. (Doctoral Dissertation). Heriot-Watt University. Retrieved from http://hdl.handle.net/10399/2795

Chicago Manual of Style (16^th Edition):

Dagbovie, Ayawoa. “Applications of stability theory to ecological problems.” 2013. Doctoral Dissertation, Heriot-Watt University. Accessed February 21, 2020. http://hdl.handle.net/10399/2795.

MLA Handbook (7^th Edition):

Dagbovie, Ayawoa. “Applications of stability theory to ecological problems.” 2013. Web. 21 Feb 2020.

Vancouver:

Dagbovie A. Applications of stability theory to ecological problems. [Internet] [Doctoral dissertation]. Heriot-Watt University; 2013. [cited 2020 Feb 21]. Available from: http://hdl.handle.net/10399/2795.

Council of Science Editors:

Dagbovie A. Applications of stability theory to ecological problems. [Doctoral Dissertation]. Heriot-Watt University; 2013. Available from: http://hdl.handle.net/10399/2795

Heriot-Watt University

14. Hobiny, Aatef. Enclosures for the eigenvalues of self-adjoint operators and applications to Schrodinger operators.

Degree: PhD, 2014, Heriot-Watt University

URL: http://hdl.handle.net/10399/2790

► This thesis concerns how to compute upper and lower bounds for the eigenvalues of self-adjoint operators. We discuss two different methods: the so-called quadratic method… (more)

Subjects/Keywords: 515

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APA (6^th Edition):

Hobiny, A. (2014). Enclosures for the eigenvalues of self-adjoint operators and applications to Schrodinger operators. (Doctoral Dissertation). Heriot-Watt University. Retrieved from http://hdl.handle.net/10399/2790

Chicago Manual of Style (16^th Edition):

Hobiny, Aatef. “Enclosures for the eigenvalues of self-adjoint operators and applications to Schrodinger operators.” 2014. Doctoral Dissertation, Heriot-Watt University. Accessed February 21, 2020. http://hdl.handle.net/10399/2790.

MLA Handbook (7^th Edition):

Hobiny, Aatef. “Enclosures for the eigenvalues of self-adjoint operators and applications to Schrodinger operators.” 2014. Web. 21 Feb 2020.

Vancouver:

Hobiny A. Enclosures for the eigenvalues of self-adjoint operators and applications to Schrodinger operators. [Internet] [Doctoral dissertation]. Heriot-Watt University; 2014. [cited 2020 Feb 21]. Available from: http://hdl.handle.net/10399/2790.

Council of Science Editors:

Hobiny A. Enclosures for the eigenvalues of self-adjoint operators and applications to Schrodinger operators. [Doctoral Dissertation]. Heriot-Watt University; 2014. Available from: http://hdl.handle.net/10399/2790

Heriot-Watt University

15. Alzahrani, Abdulah. Local travelling wave solutions and self-similar solutions for a green roof model.

Degree: PhD, 2014, Heriot-Watt University

URL: http://hdl.handle.net/10399/2776

► In this thesis we study travelling wave solutions and self-similar solutions for a green roof model and for some simpler models which are derived from… (more)

Subjects/Keywords: 515

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APA (6^th Edition):

Alzahrani, A. (2014). Local travelling wave solutions and self-similar solutions for a green roof model. (Doctoral Dissertation). Heriot-Watt University. Retrieved from http://hdl.handle.net/10399/2776

Chicago Manual of Style (16^th Edition):

Alzahrani, Abdulah. “Local travelling wave solutions and self-similar solutions for a green roof model.” 2014. Doctoral Dissertation, Heriot-Watt University. Accessed February 21, 2020. http://hdl.handle.net/10399/2776.

MLA Handbook (7^th Edition):

Alzahrani, Abdulah. “Local travelling wave solutions and self-similar solutions for a green roof model.” 2014. Web. 21 Feb 2020.

Vancouver:

Alzahrani A. Local travelling wave solutions and self-similar solutions for a green roof model. [Internet] [Doctoral dissertation]. Heriot-Watt University; 2014. [cited 2020 Feb 21]. Available from: http://hdl.handle.net/10399/2776.

Council of Science Editors:

Alzahrani A. Local travelling wave solutions and self-similar solutions for a green roof model. [Doctoral Dissertation]. Heriot-Watt University; 2014. Available from: http://hdl.handle.net/10399/2776

16. Jacques, Matthew. Composition sequences and semigroups of Möbius transformations.

Degree: PhD, 2016, Open University

URL: http://oro.open.ac.uk/48415/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.703307

► Motivated by the theory of Kleinian groups and by the theory of continued fractions, we study semigroups of Möbius transformations. Like Kleinian groups, semigroups have… (more)

Subjects/Keywords: 515

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APA (6^th Edition):

Jacques, M. (2016). Composition sequences and semigroups of Möbius transformations. (Doctoral Dissertation). Open University. Retrieved from http://oro.open.ac.uk/48415/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.703307

Chicago Manual of Style (16^th Edition):

Jacques, Matthew. “Composition sequences and semigroups of Möbius transformations.” 2016. Doctoral Dissertation, Open University. Accessed February 21, 2020. http://oro.open.ac.uk/48415/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.703307.

MLA Handbook (7^th Edition):

Jacques, Matthew. “Composition sequences and semigroups of Möbius transformations.” 2016. Web. 21 Feb 2020.

Vancouver:

Jacques M. Composition sequences and semigroups of Möbius transformations. [Internet] [Doctoral dissertation]. Open University; 2016. [cited 2020 Feb 21]. Available from: http://oro.open.ac.uk/48415/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.703307.

Council of Science Editors:

Jacques M. Composition sequences and semigroups of Möbius transformations. [Doctoral Dissertation]. Open University; 2016. Available from: http://oro.open.ac.uk/48415/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.703307

University of Leicester

17. Sabawi, Younis Abid. Adaptive discontinuous Galerkin methods for interface problems.

Degree: PhD, 2017, University of Leicester

URL: http://hdl.handle.net/2381/39386

► The aim of this thesis is to derive adaptive methods for discontinuous Galerkin approximations for both elliptic and parabolic interface problems. The derivation of adaptive… (more)

Subjects/Keywords: 515

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APA (6^th Edition):

Sabawi, Y. A. (2017). Adaptive discontinuous Galerkin methods for interface problems. (Doctoral Dissertation). University of Leicester. Retrieved from http://hdl.handle.net/2381/39386

Chicago Manual of Style (16^th Edition):

Sabawi, Younis Abid. “Adaptive discontinuous Galerkin methods for interface problems.” 2017. Doctoral Dissertation, University of Leicester. Accessed February 21, 2020. http://hdl.handle.net/2381/39386.

MLA Handbook (7^th Edition):

Sabawi, Younis Abid. “Adaptive discontinuous Galerkin methods for interface problems.” 2017. Web. 21 Feb 2020.

Vancouver:

Sabawi YA. Adaptive discontinuous Galerkin methods for interface problems. [Internet] [Doctoral dissertation]. University of Leicester; 2017. [cited 2020 Feb 21]. Available from: http://hdl.handle.net/2381/39386.

Council of Science Editors:

Sabawi YA. Adaptive discontinuous Galerkin methods for interface problems. [Doctoral Dissertation]. University of Leicester; 2017. Available from: http://hdl.handle.net/2381/39386

University of Sheffield

18. Fuller, Benjamin James. Skew monoidal categories and Grothendieck's six operations.

Degree: PhD, 2017, University of Sheffield

URL: http://etheses.whiterose.ac.uk/16499/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.706055

► In this thesis, we explore several topics in the theory of monoidal and skew monoidal categories. In Chapter 3, we give definitions of dual pairs… (more)

Subjects/Keywords: 515

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APA (6^th Edition):

Fuller, B. J. (2017). Skew monoidal categories and Grothendieck's six operations. (Doctoral Dissertation). University of Sheffield. Retrieved from http://etheses.whiterose.ac.uk/16499/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.706055

Chicago Manual of Style (16^th Edition):

Fuller, Benjamin James. “Skew monoidal categories and Grothendieck's six operations.” 2017. Doctoral Dissertation, University of Sheffield. Accessed February 21, 2020. http://etheses.whiterose.ac.uk/16499/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.706055.

MLA Handbook (7^th Edition):

Fuller, Benjamin James. “Skew monoidal categories and Grothendieck's six operations.” 2017. Web. 21 Feb 2020.

Vancouver:

Fuller BJ. Skew monoidal categories and Grothendieck's six operations. [Internet] [Doctoral dissertation]. University of Sheffield; 2017. [cited 2020 Feb 21]. Available from: http://etheses.whiterose.ac.uk/16499/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.706055.

Council of Science Editors:

Fuller BJ. Skew monoidal categories and Grothendieck's six operations. [Doctoral Dissertation]. University of Sheffield; 2017. Available from: http://etheses.whiterose.ac.uk/16499/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.706055

Cardiff University

19. Goulding, Neil J. Wavelet regularization and the continuous relaxation spectrum.

Degree: 2010, Cardiff University

URL: http://orca.cf.ac.uk/54239/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.584847

An in-depth account of the wavelet regularization mechanisms acting in this method of continuous relaxation spectrum recovery is given. It is shown that that scaling parameter of the wavelets controls the resolution of the spectrum, whilst the number of basis functions controls the sparsity of the approximation.

Subjects/Keywords: 515

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APA (6^th Edition):

Goulding, N. J. (2010). Wavelet regularization and the continuous relaxation spectrum. (Doctoral Dissertation). Cardiff University. Retrieved from http://orca.cf.ac.uk/54239/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.584847

Chicago Manual of Style (16^th Edition):

Goulding, Neil J. “Wavelet regularization and the continuous relaxation spectrum.” 2010. Doctoral Dissertation, Cardiff University. Accessed February 21, 2020. http://orca.cf.ac.uk/54239/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.584847.

MLA Handbook (7^th Edition):

Goulding, Neil J. “Wavelet regularization and the continuous relaxation spectrum.” 2010. Web. 21 Feb 2020.

Vancouver:

Goulding NJ. Wavelet regularization and the continuous relaxation spectrum. [Internet] [Doctoral dissertation]. Cardiff University; 2010. [cited 2020 Feb 21]. Available from: http://orca.cf.ac.uk/54239/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.584847.

Council of Science Editors:

Goulding NJ. Wavelet regularization and the continuous relaxation spectrum. [Doctoral Dissertation]. Cardiff University; 2010. Available from: http://orca.cf.ac.uk/54239/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.584847

Cardiff University

20. Thomas, James Christian. Some problems associated with sum and integral inequalities.

Degree: 2007, Cardiff University

URL: http://orca.cf.ac.uk/55052/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.584127

► In 2 , the following extension of the higher order Rellich inequality / AV(x) 2>7(n,a,i) / /(x) 2- (1) JRn lxl JRn lxl was proven… (more)

Subjects/Keywords: 515

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APA (6^th Edition):

Thomas, J. C. (2007). Some problems associated with sum and integral inequalities. (Doctoral Dissertation). Cardiff University. Retrieved from http://orca.cf.ac.uk/55052/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.584127

Chicago Manual of Style (16^th Edition):

Thomas, James Christian. “Some problems associated with sum and integral inequalities.” 2007. Doctoral Dissertation, Cardiff University. Accessed February 21, 2020. http://orca.cf.ac.uk/55052/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.584127.

MLA Handbook (7^th Edition):

Thomas, James Christian. “Some problems associated with sum and integral inequalities.” 2007. Web. 21 Feb 2020.

Vancouver:

Thomas JC. Some problems associated with sum and integral inequalities. [Internet] [Doctoral dissertation]. Cardiff University; 2007. [cited 2020 Feb 21]. Available from: http://orca.cf.ac.uk/55052/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.584127.

Council of Science Editors:

Thomas JC. Some problems associated with sum and integral inequalities. [Doctoral Dissertation]. Cardiff University; 2007. Available from: http://orca.cf.ac.uk/55052/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.584127

University of Leeds

21. Bin-Mohsin, Bandar Abdullah. The method of fundamental solutions for Helmholtz-type problems.

Degree: PhD, 2013, University of Leeds

URL: http://etheses.whiterose.ac.uk/4843/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.589233

► The purpose of this thesis is to extend the range of application of the method fundamental solutions (MFS) to solve direct and inverse geometric problems… (more)

Subjects/Keywords: 515

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APA (6^th Edition):

Bin-Mohsin, B. A. (2013). The method of fundamental solutions for Helmholtz-type problems. (Doctoral Dissertation). University of Leeds. Retrieved from http://etheses.whiterose.ac.uk/4843/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.589233

Chicago Manual of Style (16^th Edition):

Bin-Mohsin, Bandar Abdullah. “The method of fundamental solutions for Helmholtz-type problems.” 2013. Doctoral Dissertation, University of Leeds. Accessed February 21, 2020. http://etheses.whiterose.ac.uk/4843/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.589233.

MLA Handbook (7^th Edition):

Bin-Mohsin, Bandar Abdullah. “The method of fundamental solutions for Helmholtz-type problems.” 2013. Web. 21 Feb 2020.

Vancouver:

Bin-Mohsin BA. The method of fundamental solutions for Helmholtz-type problems. [Internet] [Doctoral dissertation]. University of Leeds; 2013. [cited 2020 Feb 21]. Available from: http://etheses.whiterose.ac.uk/4843/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.589233.

Council of Science Editors:

Bin-Mohsin BA. The method of fundamental solutions for Helmholtz-type problems. [Doctoral Dissertation]. University of Leeds; 2013. Available from: http://etheses.whiterose.ac.uk/4843/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.589233

Heriot-Watt University

22. Karambal, Issa. Fredholm determinants for the stability of travelling waves.

Degree: PhD, 2013, Heriot-Watt University

URL: http://hdl.handle.net/10399/2894

► This thesis investigates both theoretically and numerically the stability of travelling wave solutions using Fredholm determinants, on the real line. We identify a class of… (more)

Subjects/Keywords: 515

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APA (6^th Edition):

Karambal, I. (2013). Fredholm determinants for the stability of travelling waves. (Doctoral Dissertation). Heriot-Watt University. Retrieved from http://hdl.handle.net/10399/2894

Chicago Manual of Style (16^th Edition):

Karambal, Issa. “Fredholm determinants for the stability of travelling waves.” 2013. Doctoral Dissertation, Heriot-Watt University. Accessed February 21, 2020. http://hdl.handle.net/10399/2894.

MLA Handbook (7^th Edition):

Karambal, Issa. “Fredholm determinants for the stability of travelling waves.” 2013. Web. 21 Feb 2020.

Vancouver:

Karambal I. Fredholm determinants for the stability of travelling waves. [Internet] [Doctoral dissertation]. Heriot-Watt University; 2013. [cited 2020 Feb 21]. Available from: http://hdl.handle.net/10399/2894.

Council of Science Editors:

Karambal I. Fredholm determinants for the stability of travelling waves. [Doctoral Dissertation]. Heriot-Watt University; 2013. Available from: http://hdl.handle.net/10399/2894

Heriot-Watt University

23. Šinkarovs, Artjoms. Data layout types : a type-based approach to automatic data layout transformations for improved SIMD vectorisation.

Degree: PhD, 2015, Heriot-Watt University

URL: http://hdl.handle.net/10399/2880

► The increasing complexity of modern hardware requires sophisticated programming techniques for programs to run efficiently. At the same time, increased power of modern hardware enables… (more)

Subjects/Keywords: 515

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APA (6^th Edition):

Šinkarovs, A. (2015). Data layout types : a type-based approach to automatic data layout transformations for improved SIMD vectorisation. (Doctoral Dissertation). Heriot-Watt University. Retrieved from http://hdl.handle.net/10399/2880

Chicago Manual of Style (16^th Edition):

Šinkarovs, Artjoms. “Data layout types : a type-based approach to automatic data layout transformations for improved SIMD vectorisation.” 2015. Doctoral Dissertation, Heriot-Watt University. Accessed February 21, 2020. http://hdl.handle.net/10399/2880.

MLA Handbook (7^th Edition):

Šinkarovs, Artjoms. “Data layout types : a type-based approach to automatic data layout transformations for improved SIMD vectorisation.” 2015. Web. 21 Feb 2020.

Vancouver:

Šinkarovs A. Data layout types : a type-based approach to automatic data layout transformations for improved SIMD vectorisation. [Internet] [Doctoral dissertation]. Heriot-Watt University; 2015. [cited 2020 Feb 21]. Available from: http://hdl.handle.net/10399/2880.

Council of Science Editors:

Šinkarovs A. Data layout types : a type-based approach to automatic data layout transformations for improved SIMD vectorisation. [Doctoral Dissertation]. Heriot-Watt University; 2015. Available from: http://hdl.handle.net/10399/2880

King's College London (University of London)

24. Akyol, Mehmet. Six dimensional supergravity, spinorial geometry and (1,0)-superconformal theories.

Degree: 2013, King's College London (University of London)

URL: https://kclpure.kcl.ac.uk/portal/en/theses/six-dimensional-supergravity-spinorial-geometry-and-10superconformal-theories(25fe77b5-7f95-4288-b0f2-943c38577ca7).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.628273

► In this thesis we explore (1,0) supersymmetric theories in six dimensions. The first part of the thesis focuses on the investigation of supersymmetric solutions of… (more)

Subjects/Keywords: 515

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APA (6^th Edition):

Akyol, M. (2013). Six dimensional supergravity, spinorial geometry and (1,0)-superconformal theories. (Doctoral Dissertation). King's College London (University of London). Retrieved from https://kclpure.kcl.ac.uk/portal/en/theses/six-dimensional-supergravity-spinorial-geometry-and-10superconformal-theories(25fe77b5-7f95-4288-b0f2-943c38577ca7).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.628273

Chicago Manual of Style (16^th Edition):

Akyol, Mehmet. “Six dimensional supergravity, spinorial geometry and (1,0)-superconformal theories.” 2013. Doctoral Dissertation, King's College London (University of London). Accessed February 21, 2020. https://kclpure.kcl.ac.uk/portal/en/theses/six-dimensional-supergravity-spinorial-geometry-and-10superconformal-theories(25fe77b5-7f95-4288-b0f2-943c38577ca7).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.628273.

MLA Handbook (7^th Edition):

Akyol, Mehmet. “Six dimensional supergravity, spinorial geometry and (1,0)-superconformal theories.” 2013. Web. 21 Feb 2020.

Vancouver:

Akyol M. Six dimensional supergravity, spinorial geometry and (1,0)-superconformal theories. [Internet] [Doctoral dissertation]. King's College London (University of London); 2013. [cited 2020 Feb 21]. Available from: https://kclpure.kcl.ac.uk/portal/en/theses/six-dimensional-supergravity-spinorial-geometry-and-10superconformal-theories(25fe77b5-7f95-4288-b0f2-943c38577ca7).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.628273.

Council of Science Editors:

Akyol M. Six dimensional supergravity, spinorial geometry and (1,0)-superconformal theories. [Doctoral Dissertation]. King's College London (University of London); 2013. Available from: https://kclpure.kcl.ac.uk/portal/en/theses/six-dimensional-supergravity-spinorial-geometry-and-10superconformal-theories(25fe77b5-7f95-4288-b0f2-943c38577ca7).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.628273

University of Manchester

25. Altassan, Alaa Abdullah. Linear equations over free Lie algebras.

Degree: PhD, 2013, University of Manchester

URL: https://www.research.manchester.ac.uk/portal/en/theses/linear-equations-over-free-liealgebras(6e29b286-1869-4207-b054-8baab98e70df).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.576840

► In this thesis, we study equations of the form [x₁,u₁]+[x₂, u₂]+…+[x_k,u_k]=0 over a free Lie algebra L, where k>1 and the coefficients u₁, u₂, …,u_k… (more)

Subjects/Keywords: 515

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APA (6^th Edition):

Altassan, A. A. (2013). Linear equations over free Lie algebras. (Doctoral Dissertation). University of Manchester. Retrieved from https://www.research.manchester.ac.uk/portal/en/theses/linear-equations-over-free-liealgebras(6e29b286-1869-4207-b054-8baab98e70df).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.576840

Chicago Manual of Style (16^th Edition):

Altassan, Alaa Abdullah. “Linear equations over free Lie algebras.” 2013. Doctoral Dissertation, University of Manchester. Accessed February 21, 2020. https://www.research.manchester.ac.uk/portal/en/theses/linear-equations-over-free-liealgebras(6e29b286-1869-4207-b054-8baab98e70df).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.576840.

MLA Handbook (7^th Edition):

Altassan, Alaa Abdullah. “Linear equations over free Lie algebras.” 2013. Web. 21 Feb 2020.

Vancouver:

Altassan AA. Linear equations over free Lie algebras. [Internet] [Doctoral dissertation]. University of Manchester; 2013. [cited 2020 Feb 21]. Available from: https://www.research.manchester.ac.uk/portal/en/theses/linear-equations-over-free-liealgebras(6e29b286-1869-4207-b054-8baab98e70df).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.576840.

Council of Science Editors:

Altassan AA. Linear equations over free Lie algebras. [Doctoral Dissertation]. University of Manchester; 2013. Available from: https://www.research.manchester.ac.uk/portal/en/theses/linear-equations-over-free-liealgebras(6e29b286-1869-4207-b054-8baab98e70df).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.576840

University of Manchester

26. Gordon, Andrew. Solving PDEs with random data by stochastic collocation.

Degree: PhD, 2013, University of Manchester

URL: https://www.research.manchester.ac.uk/portal/en/theses/solving-pdes-with-random-data-by-stochastic-collocation(9bd49ec2-0a46-4e0c-8a8f-6e454393b064).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.568594

► In many science and engineering problems there is uncertainty in the input data. The ability to suitably model and handle this uncertainty is crucial for… (more)

Subjects/Keywords: 515

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APA (6^th Edition):

Gordon, A. (2013). Solving PDEs with random data by stochastic collocation. (Doctoral Dissertation). University of Manchester. Retrieved from https://www.research.manchester.ac.uk/portal/en/theses/solving-pdes-with-random-data-by-stochastic-collocation(9bd49ec2-0a46-4e0c-8a8f-6e454393b064).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.568594

Chicago Manual of Style (16^th Edition):

Gordon, Andrew. “Solving PDEs with random data by stochastic collocation.” 2013. Doctoral Dissertation, University of Manchester. Accessed February 21, 2020. https://www.research.manchester.ac.uk/portal/en/theses/solving-pdes-with-random-data-by-stochastic-collocation(9bd49ec2-0a46-4e0c-8a8f-6e454393b064).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.568594.

MLA Handbook (7^th Edition):

Gordon, Andrew. “Solving PDEs with random data by stochastic collocation.” 2013. Web. 21 Feb 2020.

Vancouver:

Gordon A. Solving PDEs with random data by stochastic collocation. [Internet] [Doctoral dissertation]. University of Manchester; 2013. [cited 2020 Feb 21]. Available from: https://www.research.manchester.ac.uk/portal/en/theses/solving-pdes-with-random-data-by-stochastic-collocation(9bd49ec2-0a46-4e0c-8a8f-6e454393b064).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.568594.

Council of Science Editors:

Gordon A. Solving PDEs with random data by stochastic collocation. [Doctoral Dissertation]. University of Manchester; 2013. Available from: https://www.research.manchester.ac.uk/portal/en/theses/solving-pdes-with-random-data-by-stochastic-collocation(9bd49ec2-0a46-4e0c-8a8f-6e454393b064).html ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.568594

27. Kabisch, Sandra. On established and new semiconvexities in the calculus of variations.

Degree: PhD, 2016, University of Surrey

URL: http://epubs.surrey.ac.uk/812076/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.698621

► After introducing the topics that will be covered in this work we review important concepts from the calculus of variations in elasticity theory. Subsequently the… (more)

▼ After introducing the topics that will be covered in this work we review important concepts from the calculus of variations in elasticity theory. Subsequently the following three topics are discussed: The first originates from the work of Post and Sivaloganathan [\emph{Proceedings of the Royal Society of Edinburgh, Section: A Mathematics}, 127(03):595 – 614, 1997] in the form of two scenarios involving the twisting of the outer boundary of an annulus A around the inner. It seeks minimisers of ∫_A \frac{1}{2}|∇u|² \d x among deformations u with the constraint \det ∇u ≥0 a.e.~as well as of ∫_A \frac{1}{2}|∇u|² + h(\det ∇u) \d x in which h penalises volume compression so that \det ∇u > 0 a.e.~is imposed on minimisers. In the former case we find infinitely many explicit solutions for which \det ∇u = 0 holds on a region around the inner boundary of A. In the latter we expand on known results by showing similar growth properties of the solutions compared to the previous case while contrasting that \det ∇u>0 holds everywhere. In the second we introduce a new semiconvexity called n-polyconvexity that unifies poly- and rank-one convexity in the sense that for f:ℝ^d×D→ℝ̅ we have that n-polyconvexity is equivalent to polyconvexity for n=\min{d,D}=:d∧D and equivalent to rank-one convexity for n=1. For d,D≥3 we gain previously unknown semiconvexities in hierarchical order (2-polyconvexity, \dots, (d∧D-1)-polyconvexity, weakest to strongest). We further define functions which are `n-polyaffine at F' and find that they are not necessarily polyaffine for n<d∧D (unlike rank-one affine functions). As one of the main results we obtain that 1-polyconvex (i.e.~rank-one convex) functions f:ℝ^d×D →ℝ are the pointwise supremum of 1-polyaffine functions at F for every F∈ℝ^d×D. In addition and among other things, we discuss envelopes, generalised T_k configurations and relations to quasiconvexity. The third involves a generalisation of the theory of abstract convexity which allows one to include cases like 1-polyconvex functions as the pointwise supremum of 1-polyconvex functions at F for every F, while this is not possible within the classical theory. We review the most important results of the classical theory and present results on generalised hull operators, subgradients, conjugations and Legendre-Fenchel transforms for our new theory. In particular we obtain an operator that is reminiscent of the rank-one convexification process via lamination steps for a function. Moreover, we show that directional convexity is a special case of the generalised abstract convexity theory. Finally, we conclude each topic, pointing out possible directions of further research.

Subjects/Keywords: 515

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Kabisch, S. (2016). On established and new semiconvexities in the calculus of variations. (Doctoral Dissertation). University of Surrey. Retrieved from http://epubs.surrey.ac.uk/812076/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.698621

Chicago Manual of Style (16^th Edition):

Kabisch, Sandra. “On established and new semiconvexities in the calculus of variations.” 2016. Doctoral Dissertation, University of Surrey. Accessed February 21, 2020. http://epubs.surrey.ac.uk/812076/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.698621.

MLA Handbook (7^th Edition):

Kabisch, Sandra. “On established and new semiconvexities in the calculus of variations.” 2016. Web. 21 Feb 2020.

Vancouver:

Kabisch S. On established and new semiconvexities in the calculus of variations. [Internet] [Doctoral dissertation]. University of Surrey; 2016. [cited 2020 Feb 21]. Available from: http://epubs.surrey.ac.uk/812076/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.698621.

Council of Science Editors:

Kabisch S. On established and new semiconvexities in the calculus of variations. [Doctoral Dissertation]. University of Surrey; 2016. Available from: http://epubs.surrey.ac.uk/812076/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.698621

Durham University

28. Charlton, Steven Paul. Identities arising from coproducts on multiple zeta values and multiple polylogarithms.

Degree: PhD, 2016, Durham University

URL: http://etheses.dur.ac.uk/11834/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.699513

► In this thesis we explore identities which can be proven on multiple zeta values using the derivation operators D_r from Brown's motivic MZV framework. We… (more)

Subjects/Keywords: 515

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APA (6^th Edition):

Charlton, S. P. (2016). Identities arising from coproducts on multiple zeta values and multiple polylogarithms. (Doctoral Dissertation). Durham University. Retrieved from http://etheses.dur.ac.uk/11834/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.699513

Chicago Manual of Style (16^th Edition):

Charlton, Steven Paul. “Identities arising from coproducts on multiple zeta values and multiple polylogarithms.” 2016. Doctoral Dissertation, Durham University. Accessed February 21, 2020. http://etheses.dur.ac.uk/11834/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.699513.

MLA Handbook (7^th Edition):

Charlton, Steven Paul. “Identities arising from coproducts on multiple zeta values and multiple polylogarithms.” 2016. Web. 21 Feb 2020.

Vancouver:

Charlton SP. Identities arising from coproducts on multiple zeta values and multiple polylogarithms. [Internet] [Doctoral dissertation]. Durham University; 2016. [cited 2020 Feb 21]. Available from: http://etheses.dur.ac.uk/11834/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.699513.

Council of Science Editors:

Charlton SP. Identities arising from coproducts on multiple zeta values and multiple polylogarithms. [Doctoral Dissertation]. Durham University; 2016. Available from: http://etheses.dur.ac.uk/11834/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.699513

29. Bosy, Michal?. Efficient discretisation and domain decomposition preconditioners for incompressible fluid mechanics.

Degree: PhD, 2017, University of Strathclyde

URL: http://digitool.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=28509 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.723023

► Solving the linear elasticity and Stokes equations by an optimal domain decomposition method derived algebraically involves the use of non standard interface conditions whose discretisation… (more)

Subjects/Keywords: 515

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Bosy, M. (2017). Efficient discretisation and domain decomposition preconditioners for incompressible fluid mechanics. (Doctoral Dissertation). University of Strathclyde. Retrieved from http://digitool.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=28509 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.723023

Chicago Manual of Style (16^th Edition):

Bosy, Michal?. “Efficient discretisation and domain decomposition preconditioners for incompressible fluid mechanics.” 2017. Doctoral Dissertation, University of Strathclyde. Accessed February 21, 2020. http://digitool.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=28509 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.723023.

MLA Handbook (7^th Edition):

Bosy, Michal?. “Efficient discretisation and domain decomposition preconditioners for incompressible fluid mechanics.” 2017. Web. 21 Feb 2020.

Vancouver:

Bosy M. Efficient discretisation and domain decomposition preconditioners for incompressible fluid mechanics. [Internet] [Doctoral dissertation]. University of Strathclyde; 2017. [cited 2020 Feb 21]. Available from: http://digitool.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=28509 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.723023.

Council of Science Editors:

Bosy M. Efficient discretisation and domain decomposition preconditioners for incompressible fluid mechanics. [Doctoral Dissertation]. University of Strathclyde; 2017. Available from: http://digitool.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=28509 ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.723023

30. Garcia Ramirez, Erick. Non-archimedean stratifications in T-convex fields.

Degree: PhD, 2017, University of Leeds

URL: http://etheses.whiterose.ac.uk/18362/ ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.725009

► We prove that whenever T is a power-bounded o-minimal theory, t-stratifications exist for definable maps and sets in T-convex fields. To this effect, a thorough… (more)

Subjects/Keywords: 515

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6^th Edition):

Garcia Ramirez, E. (2017). Non-archimedean stratifications in T-convex fields. (Doctoral Dissertation). University of Leeds. Retrieved from http://etheses.whiterose.ac.uk/18362/ ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.725009

Chicago Manual of Style (16^th Edition):

Garcia Ramirez, Erick. “Non-archimedean stratifications in T-convex fields.” 2017. Doctoral Dissertation, University of Leeds. Accessed February 21, 2020. http://etheses.whiterose.ac.uk/18362/ ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.725009.

MLA Handbook (7^th Edition):

Garcia Ramirez, Erick. “Non-archimedean stratifications in T-convex fields.” 2017. Web. 21 Feb 2020.

Vancouver:

Garcia Ramirez E. Non-archimedean stratifications in T-convex fields. [Internet] [Doctoral dissertation]. University of Leeds; 2017. [cited 2020 Feb 21]. Available from: http://etheses.whiterose.ac.uk/18362/ ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.725009.

Council of Science Editors:

Garcia Ramirez E. Non-archimedean stratifications in T-convex fields. [Doctoral Dissertation]. University of Leeds; 2017. Available from: http://etheses.whiterose.ac.uk/18362/ ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.725009

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