subject:( exact sequence)

University of Alberta

1. Rahmati, Saeed. Theory of Spectral Sequences of Exact Couples: Applications To Countably And Transfinitely Filtered Modules.

Degree: PhD, Department of Mathematical and Statistical Sciences, 2013, University of Alberta

URL: https://era.library.ualberta.ca/files/zk51vh11q

► This thesis has two parts. In the first part we start from an arbitrary exact couple of R-modules and describe completely how the E-infinity terms… (more)

Subjects/Keywords: Spectral Sequence, Exact Couple, Distribution Theorem, Transfinitely Filtered, Class of Modules, Comparison Theorems, Reverse Engineering

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

APA (6^th Edition):

Rahmati, S. (2013). Theory of Spectral Sequences of Exact Couples: Applications To Countably And Transfinitely Filtered Modules. (Doctoral Dissertation). University of Alberta. Retrieved from https://era.library.ualberta.ca/files/zk51vh11q

Chicago Manual of Style (16^th Edition):

Rahmati, Saeed. “Theory of Spectral Sequences of Exact Couples: Applications To Countably And Transfinitely Filtered Modules.” 2013. Doctoral Dissertation, University of Alberta. Accessed December 10, 2019. https://era.library.ualberta.ca/files/zk51vh11q.

MLA Handbook (7^th Edition):

Rahmati, Saeed. “Theory of Spectral Sequences of Exact Couples: Applications To Countably And Transfinitely Filtered Modules.” 2013. Web. 10 Dec 2019.

Vancouver:

Rahmati S. Theory of Spectral Sequences of Exact Couples: Applications To Countably And Transfinitely Filtered Modules. [Internet] [Doctoral dissertation]. University of Alberta; 2013. [cited 2019 Dec 10]. Available from: https://era.library.ualberta.ca/files/zk51vh11q.

Council of Science Editors:

Rahmati S. Theory of Spectral Sequences of Exact Couples: Applications To Countably And Transfinitely Filtered Modules. [Doctoral Dissertation]. University of Alberta; 2013. Available from: https://era.library.ualberta.ca/files/zk51vh11q

Colorado State University

2. Foster, Erika J. Implementing organic amendments to enhance maize yield, soil moisture, and microbial nutrient cycling in temperate agriculture.

Degree: PhD, Ecology, 2018, Colorado State University

URL: http://hdl.handle.net/10217/191439

► To sustain agricultural production into the future, management should enhance natural biogeochemical cycling within the soil. Strategies to increase yield while reducing chemical fertilizer inputs… (more)

▼ To sustain agricultural production into the future, management should enhance natural biogeochemical cycling within the soil. Strategies to increase yield while reducing chemical fertilizer inputs and irrigation require robust research and development before widespread implementation. Current innovations in crop production use amendments such as manure and biochar charcoal to increase soil organic matter and improve soil structure, water, and nutrient content. Organic amendments also provide substrate and habitat for soil microorganisms that can play a key role cycling nutrients, improving nutrient availability for crops. Additional plant growth promoting bacteria can be incorporated into the soil as inocula to enhance soil nutrient cycling through mechanisms like phosphorus solubilization. Since microbial inoculation is highly effective under drought conditions, this technique pairs well in agricultural systems using limited irrigation to save water, particularly in semi-arid regions where climate change and population growth exacerbate water scarcity. The research in this dissertation examines synergistic techniques to reduce irrigation inputs, while building soil organic matter, and promoting natural microbial function to increase crop available nutrients. The research was conducted on conventional irrigated maize systems at the Agricultural Research Development and Education Center north of Fort Collins, CO. The first field experiment tested a temporally limited irrigation strategy with high application rates of organic amendments (30 Mg ha-1) to increase soil moisture, N and P retention, and enhance soil microbial activity. The experiment used biochar created from bio-energy production. The control plots contained 1.49% total soil carbon, and biochar addition increased total carbon to 2.67%. The biochar also had variable impacts on microbial extracellular enzyme activities, causing a 40% reduction in β-1,4-glucosidase and phosphatase activities, with repercussions for hydrolysis of soil P and cellulose. However, the biochar amendment did not enhance yield. This field experiment also found that the limited irrigation technique reduced water inputs by 30% while maintaining yield. The second experiment of the dissertation determined the mechanism behind the decrease in extracellular enzymatic activities after biochar addition. Through a combination of a Bradford protein assay and a fluorometric assay of potential enzymatic activities, the pine wood biochar adsorbed and reduced both β-glucosidase and acid phosphatase activities by 75-100% relative to a control soil. Though highly variable, depending upon pH, the main factor influencing activity levels was the solid phase. The high temperature biochar had a large surface area within micropores. The substrate can diffuse into the micropores, where it is inaccessible to large enzymes; there is lower catalysis of those substrates, which indicates potentially lower nutrient release in the soil. Finally, to examine the agronomic efficacy of biochar, a second maize… Advisors/Committee Members: Cotrufo, M. Francesca (advisor), Comas, Louise (committee member), Rhoades, Charles (committee member), Wallenstein, Matthew D. (committee member).

Subjects/Keywords: biochar; exact sequence variant; irrigation management; corn; 16S bacterial community analysis; extracellular enzymes

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

APA (6^th Edition):

Foster, E. J. (2018). Implementing organic amendments to enhance maize yield, soil moisture, and microbial nutrient cycling in temperate agriculture. (Doctoral Dissertation). Colorado State University. Retrieved from http://hdl.handle.net/10217/191439

Chicago Manual of Style (16^th Edition):

Foster, Erika J. “Implementing organic amendments to enhance maize yield, soil moisture, and microbial nutrient cycling in temperate agriculture.” 2018. Doctoral Dissertation, Colorado State University. Accessed December 10, 2019. http://hdl.handle.net/10217/191439.

MLA Handbook (7^th Edition):

Foster, Erika J. “Implementing organic amendments to enhance maize yield, soil moisture, and microbial nutrient cycling in temperate agriculture.” 2018. Web. 10 Dec 2019.

Vancouver:

Foster EJ. Implementing organic amendments to enhance maize yield, soil moisture, and microbial nutrient cycling in temperate agriculture. [Internet] [Doctoral dissertation]. Colorado State University; 2018. [cited 2019 Dec 10]. Available from: http://hdl.handle.net/10217/191439.

Council of Science Editors:

Foster EJ. Implementing organic amendments to enhance maize yield, soil moisture, and microbial nutrient cycling in temperate agriculture. [Doctoral Dissertation]. Colorado State University; 2018. Available from: http://hdl.handle.net/10217/191439

The Ohio State University

3. Ozer, Hatice Gulcin. Residue Associations In Protein Family Alignments.

Degree: PhD, Biophysics, 2008, The Ohio State University

URL: http://rave.ohiolink.edu/etdc/view?acc_num=osu1211570026

► The increasing amount of data on biomolecule sequences and their multiple alignments for families, has promoted an interest in discovering structural and functional characteristics… (more)

▼ The increasing amount of data on biomolecule sequences and their multiple alignments for families, has promoted an interest in discovering structural and functional characteristics of proteins from sequence alone. In many proteins interactions between residues appear to be key players in structure and function. Consensus, or weight matrix, or hidden Markov models cannot detect interpositional correlations and alternating motifs within a family alignment. We propose and analyze a method for detecting interpositional correlations and examine the applicability of this method to structural prediction. We presented the Multiple Alignment Variation Linker (MAVL) and StickWRLD to analyze biomolecule sequence alignments and visualize positive and negative interpositional residue associations. In the MAVL analysis system, the expected number of sequences that should share identities and residuals are calculated based on the observed population of sequences actually sharing the residues. Correlating pairs of residues are visualized in StickWRLD diagram. This analysis system allows us to extract information from the alignments which is not accessible to traditional column-based methods. In addition, a StickWRLD diagram enables the user to visualize the family alignment and positional dependencies in 3D. We discuss methodologies to identify residue associations in protein family alignments. We discussed the use of the residuals and the phi coefficient to determine the strength of a residue association, and Fisher Exact probability test to evaluate the statistical significances. We computed identitywise residue associations for 961 Pfam family alignments and examined physical proximity and physiochemical properties of associated residues in the alignments and their presence on secondary structural elements. We observed that the proximity of residues increases as the strength of association and its statistical significance increase. Specifically, associations between aromatic residues and hydrophilic residues are present in closer proximity. The amino acid contact predictivity of the residual parameter is the highest compared to the phi coefficient and the statistical significance. Compared to the expected distributions, we observed larger proportions of the pairs such that both residues are in a helix or one residue is in a structural element while the other is in a flexible region, or both residues are in a flexible region. Advisors/Committee Members: Ray, William (Advisor).

Subjects/Keywords: Bioinformatics; Biophysics; Family Alignment; Positional Dependency; Amino Acid Correlation; Residue Correlation; Residue Association; Protein Sequence; Protein Structure; Pfam database; Bioinformatics; Fisher Exact test; Phi coefficient

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APA (6^th Edition):

Ozer, H. G. (2008). Residue Associations In Protein Family Alignments. (Doctoral Dissertation). The Ohio State University. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=osu1211570026

Chicago Manual of Style (16^th Edition):

Ozer, Hatice Gulcin. “Residue Associations In Protein Family Alignments.” 2008. Doctoral Dissertation, The Ohio State University. Accessed December 10, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1211570026.

MLA Handbook (7^th Edition):

Ozer, Hatice Gulcin. “Residue Associations In Protein Family Alignments.” 2008. Web. 10 Dec 2019.

Vancouver:

Ozer HG. Residue Associations In Protein Family Alignments. [Internet] [Doctoral dissertation]. The Ohio State University; 2008. [cited 2019 Dec 10]. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=osu1211570026.

Council of Science Editors:

Ozer HG. Residue Associations In Protein Family Alignments. [Doctoral Dissertation]. The Ohio State University; 2008. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=osu1211570026

Universitetet i Tromsø

4. Breivik, Markus Nordvoll. Group Cohomology and Extensions .

Degree: 2019, Universitetet i Tromsø

URL: http://hdl.handle.net/10037/16251

► The goal of this thesis is to classify all extensions where the kernel has order p^s and the cokernel has order p^t, p is a… (more)

Subjects/Keywords: VDP::Mathematics and natural science: 400::Mathematics: 410::Algebra/algebraic analysis: 414; VDP::Matematikk og Naturvitenskap: 400::Matematikk: 410::Algebra/algebraisk analyse: 414; homological algebra; homology; cohomology; group cohomology; group extension; group extensions; integral group ring; short exact sequence; exact sequence; resolution; module; modules; p-groups; cocycle; cocycles; coboundary; coboundaries; resolutions; kernel; cokernel

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

APA (6^th Edition):

Breivik, M. N. (2019). Group Cohomology and Extensions . (Masters Thesis). Universitetet i Tromsø. Retrieved from http://hdl.handle.net/10037/16251

Chicago Manual of Style (16^th Edition):

Breivik, Markus Nordvoll. “Group Cohomology and Extensions .” 2019. Masters Thesis, Universitetet i Tromsø. Accessed December 10, 2019. http://hdl.handle.net/10037/16251.

MLA Handbook (7^th Edition):

Breivik, Markus Nordvoll. “Group Cohomology and Extensions .” 2019. Web. 10 Dec 2019.

Vancouver:

Breivik MN. Group Cohomology and Extensions . [Internet] [Masters thesis]. Universitetet i Tromsø 2019. [cited 2019 Dec 10]. Available from: http://hdl.handle.net/10037/16251.

Council of Science Editors:

Breivik MN. Group Cohomology and Extensions . [Masters Thesis]. Universitetet i Tromsø 2019. Available from: http://hdl.handle.net/10037/16251

University of Western Ontario

5. Khiste, Nilesh Vinod. Efficient Alignment Algorithms for DNA Sequencing Data.

Degree: 2018, University of Western Ontario

URL: https://ir.lib.uwo.ca/etd/5192

► The DNA Next Generation Sequencing (NGS) technologies produce data at a low cost, enabling their application to many ambitious fields such as cancer research, disease… (more)

▼ The DNA Next Generation Sequencing (NGS) technologies produce data at a low cost, enabling their application to many ambitious fields such as cancer research, disease control, personalized medicine etc. However, even after a decade of research, the modern aligners and assemblers are far from providing efficient and error free genome alignments and assemblies respectively. This is due to the inherent nature of the genome alignment and assembly problem, which involves many complexities. Many algorithms to address this problem have been proposed over the years, but there still is a huge scope for improvement in this research space. Many new genome alignment algorithms are proposed over time and one of the key differentiator among these algorithms is the efficiency of the genome alignment process. I present a new algorithm for efficiently finding Maximal Exact Matches (MEMs) between two genomes: E-MEM (Efficient computation of maximal exact matches for very large genomes). Computing MEMs is one of the most time consuming step during the alignment process. E-MEM can be used to find MEMs which are used as seeds in genome aligner to increase its efficiency. The E-MEM program is the most efficient algorithm as of today for computing MEMs and it surpasses all competition by large margins. There are many genome assembly algorithms available for use, but none produces perfect genome assemblies. It is important that assemblies produced by these algorithms are evaluated accurately and efficiently.This is necessary to make the right choice of the genome assembler to be used for all the downstream research and analysis. A fast genome assembly evaluator is a key factor when a new genome assembler is developed, to quickly evaluate the outcome of the algorithm. I present a fast and efficient genome assembly evaluator called LASER (Large genome ASsembly EvaluatoR), which is based on a leading genome assembly evaluator QUAST, but significantly more efficient both in terms of memory and run time. The NGS technologies limit the potential of genome assembly algorithms because of short read lengths and nonuniform coverage. Recently, third generation sequencing technologies have been proposed which promise very long reads and a uniform coverage. However, this technology comes with its own drawback of high error rate of 10 - 15% consisting mostly of indels. The long read sequencing data is useful only after error correction obtained using self read alignment (or read overlapping) techniques. I propose a new self read alignment algorithm for Pacific Biosciences sequencing data: HISEA (Hierarchical SEed Aligner), which has very high sensitivity and precision as compared to other state-of-the-art aligners. HISEA is also integrated into Canu assembly pipeline. Canu+HISEA produces better assemblies than Canu with its default aligner MHAP, at a much lower coverage.

Subjects/Keywords: Bioinformatics; De novo genome assembly; E-MEM; Genome assembly evaluation; HISEA; HiSeq; Illumina; LASER; Long read alignment; Maximal exact matches; Next generation sequencing; Pacific Biosciences; Sequence alignment; Bioinformatics; Computational Biology; Genomics; Other Computer Engineering

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APA (6^th Edition):

Khiste, N. V. (2018). Efficient Alignment Algorithms for DNA Sequencing Data. (Thesis). University of Western Ontario. Retrieved from https://ir.lib.uwo.ca/etd/5192

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Khiste, Nilesh Vinod. “Efficient Alignment Algorithms for DNA Sequencing Data.” 2018. Thesis, University of Western Ontario. Accessed December 10, 2019. https://ir.lib.uwo.ca/etd/5192.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Khiste, Nilesh Vinod. “Efficient Alignment Algorithms for DNA Sequencing Data.” 2018. Web. 10 Dec 2019.

Vancouver:

Khiste NV. Efficient Alignment Algorithms for DNA Sequencing Data. [Internet] [Thesis]. University of Western Ontario; 2018. [cited 2019 Dec 10]. Available from: https://ir.lib.uwo.ca/etd/5192.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Khiste NV. Efficient Alignment Algorithms for DNA Sequencing Data. [Thesis]. University of Western Ontario; 2018. Available from: https://ir.lib.uwo.ca/etd/5192

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

6. JI FENG. A matrix approach to lower K-theory and algebraic number theory.

Degree: 2013, National University of Singapore

URL: http://scholarbank.nus.edu.sg/handle/10635/43580

Subjects/Keywords: Bass exact sequence; K-theory; ideal class group; capitulation kernel; Chern chareacters; Galois cohomology

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APA (6^th Edition):

FENG, J. (2013). A matrix approach to lower K-theory and algebraic number theory. (Thesis). National University of Singapore. Retrieved from http://scholarbank.nus.edu.sg/handle/10635/43580

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

FENG, JI. “A matrix approach to lower K-theory and algebraic number theory.” 2013. Thesis, National University of Singapore. Accessed December 10, 2019. http://scholarbank.nus.edu.sg/handle/10635/43580.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

FENG, JI. “A matrix approach to lower K-theory and algebraic number theory.” 2013. Web. 10 Dec 2019.

Vancouver:

FENG J. A matrix approach to lower K-theory and algebraic number theory. [Internet] [Thesis]. National University of Singapore; 2013. [cited 2019 Dec 10]. Available from: http://scholarbank.nus.edu.sg/handle/10635/43580.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

FENG J. A matrix approach to lower K-theory and algebraic number theory. [Thesis]. National University of Singapore; 2013. Available from: http://scholarbank.nus.edu.sg/handle/10635/43580

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

University of Guelph

7. Wickland, David D. Evaluating Melodic Similarity Using Pairwise Sequence Alignments and Suffix Trees .

Degree: 2017, University of Guelph

URL: https://atrium.lib.uoguelph.ca/xmlui/handle/10214/11608

► The music industry was the first mass-media industry to be transformed by the transition to digital. Today, music consumers have access to personal libraries, subscription-based… (more)

Subjects/Keywords: symbolic similarity; melodic similarity; local alignment; global alignment; music similarity; suffix tree; cover song; longest common substring; pattern matching; sequence alignment; pairwise; exact matching; inexact matching; approximate matching; string matching; music information retrieval; MIR

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APA (6^th Edition):

Wickland, D. D. (2017). Evaluating Melodic Similarity Using Pairwise Sequence Alignments and Suffix Trees . (Thesis). University of Guelph. Retrieved from https://atrium.lib.uoguelph.ca/xmlui/handle/10214/11608

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Wickland, David D. “Evaluating Melodic Similarity Using Pairwise Sequence Alignments and Suffix Trees .” 2017. Thesis, University of Guelph. Accessed December 10, 2019. https://atrium.lib.uoguelph.ca/xmlui/handle/10214/11608.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Wickland, David D. “Evaluating Melodic Similarity Using Pairwise Sequence Alignments and Suffix Trees .” 2017. Web. 10 Dec 2019.

Vancouver:

Wickland DD. Evaluating Melodic Similarity Using Pairwise Sequence Alignments and Suffix Trees . [Internet] [Thesis]. University of Guelph; 2017. [cited 2019 Dec 10]. Available from: https://atrium.lib.uoguelph.ca/xmlui/handle/10214/11608.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Wickland DD. Evaluating Melodic Similarity Using Pairwise Sequence Alignments and Suffix Trees . [Thesis]. University of Guelph; 2017. Available from: https://atrium.lib.uoguelph.ca/xmlui/handle/10214/11608

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Freie Universität Berlin

8. Lara, Marcin. Homotopy Exact Sequence for the Pro-Étale Fundamental Group.

Degree: 2019, Freie Universität Berlin

URL: http://dx.doi.org/10.17169/refubium-2773

► The pro-étale fundamental group of a scheme was introduced by Bhatt and Scholze. It generalizes the fundamental groups of schemes introduced by Grothendieck in SGA1… (more)

▼ The pro-étale fundamental group of a scheme was introduced by Bhatt and Scholze. It generalizes the fundamental groups of schemes introduced by Grothendieck in SGA1 and SGA3. The corresponding category of covers of a scheme X consists of schemes Y -> X that are étale and satisfy the valuative criterion of properness. They are called "geometric covers". As we do not assume Y -> X to be of finite type, we get more than just finite étale covers. The basic example is given by a nodal curve and a cover by an infnite chain of P¹'s glued in a suitable way. This cover was already "detected" by the SGA3 fundamental group, but for more complicated schemes (e.g. an elliptic curve with two points glued) one gets more. The prominent feature of the pro-étale fundamental group is that its finite-dimensional Q_ℓ-representations are able to detect all Q_ℓ-local systems on X. The greater generality comes at the price of working with a more complicated class of topological groups - Noohi groups. This class includes profinite and prodiscrete groups. An important feature is that it also includes groups like GL_n(Q_ℓ). In this thesis, I prove some fundamental results for the pro-étale fundamental group, that generalize the results of Grothendieck on the usual étale fundamental group to this more general context. The main results concern the homotopy exact sequence of the pro-étale fundamental groups arising from a proper morphism of connected (Nagata) noetherian schemes with geometrically connected and reduced fibers. There are two separate cases: over a general base scheme S and over a spectrum of a field k. Over the general base, one does not have exactness on the left of the sequence and the main difficulty is the exactness in the middle. Moreover, one has to use a suitable notion of exactness, involving some kind of topological closures. Over Spec(k), one can drop the properness assumption and the sequence is exact even on the level of abstract groups. In this case, we show additionally the exactness on the left (i.e. that the "geometric" fundamental group embeds into the "arithmetic" one) and this is the most difficult part. As in the classical case, the statements on exactness of the pro-étale fundamental groups translate to a statement in terms of geometric covers. We provide a detailed dictionary between the two languages. In terms of covers, the main theorems we prove are as follows. For a geometrically connected scheme X of finite type over a field k, we show that a connected geometric cover of X_k̅ can be dominated by a geometric cover defined over a finite extension l of the base field k. Unlike in the case of finite étale covers, this is non-trivial. Over a general base scheme S (and with assumptions about X -> S as above), we prove existence of an "infinite Stein factorization" of a geometric cover Y -> X. The resulting scheme is a geometric cover of S. If Y -> X is finite, it matches the usual Stein factorization applied to Y -> X -> S. For infinite covers, the standard definition of Stein factorization… Advisors/Committee Members: male (gender), Esnault, Hélène (firstReferee), dos Santos, João Pedro (furtherReferee).

Subjects/Keywords: Fundamental Groups; Pro-Étale Topology; Homotopy Theory; Noohi groups; Galois categories; Stein factorization; Homotopy exact sequence; Descent; 500 Natural sciences and mathematics::510 Mathematics::512 Algebra and number theory; 500 Natural sciences and mathematics::510 Mathematics::513 Arithmetic

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

APA (6^th Edition):

Lara, M. (2019). Homotopy Exact Sequence for the Pro-Étale Fundamental Group. (Thesis). Freie Universität Berlin. Retrieved from http://dx.doi.org/10.17169/refubium-2773

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Lara, Marcin. “Homotopy Exact Sequence for the Pro-Étale Fundamental Group.” 2019. Thesis, Freie Universität Berlin. Accessed December 10, 2019. http://dx.doi.org/10.17169/refubium-2773.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Lara, Marcin. “Homotopy Exact Sequence for the Pro-Étale Fundamental Group.” 2019. Web. 10 Dec 2019.

Vancouver:

Lara M. Homotopy Exact Sequence for the Pro-Étale Fundamental Group. [Internet] [Thesis]. Freie Universität Berlin; 2019. [cited 2019 Dec 10]. Available from: http://dx.doi.org/10.17169/refubium-2773.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Lara M. Homotopy Exact Sequence for the Pro-Étale Fundamental Group. [Thesis]. Freie Universität Berlin; 2019. Available from: http://dx.doi.org/10.17169/refubium-2773

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

9. Tête, Claire. Profondeur, dimension et résolutions en algèbre commutative : quelques aspects effectifs : Depth, dimension and resolutions in commutative algebra : some effective aspects.

Degree: Docteur es, Mathématiques et leurs interactions, 2014, Poitiers

URL: http://www.theses.fr/2014POIT2288

►

Cette thèse d'algèbre commutative porte principalement sur la théorie de la profondeur. Nous nous efforçons d'en fournir une approche épurée d'hypothèse noethérienne dans l'espoir d'échapper… (more)

▼

Cette thèse d'algèbre commutative porte principalement sur la théorie de la profondeur. Nous nous efforçons d'en fournir une approche épurée d'hypothèse noethérienne dans l'espoir d'échapper aux idéaux premiers et ceci afin de manier des objets élémentaires et explicites. Parmi ces objets, figurent les complexes algébriques de Koszul et de Cech dont nous étudions les propriétés cohomologiques grâce à des résultats simples portant sur la cohomologie du totalisé d'un bicomplexe. Dans le cadre de la cohomologie de Cech, nous avons établi la longue suite exacte de Mayer-Vietoris avec un traitement reposant uniquement sur le maniement des éléments. Une autre notion importante est celle de dimension de Krull. Sa caractérisation en termes de monoïdes bords permet de montrer de manière expéditive le théorème d'annulation de Grothendieck en cohomologie de Cech. Nous fournissons également un algorithme permettant de compléter un polynôme homogène en un h.s.o.p.. La profondeur est intimement liée à la théorie des résolutions libres/projectives finies, en témoigne le théorème de Ferrand-Vasconcelos dont nous rapportons une généralisation due à Jouanolou. Par ailleurs, nous revenons sur des résultats faisant intervenir la profondeur des idéaux caractéristiques d'une résolution libre finie. Nous revisitons, dans un cas particulier, une construction due à Tate permettant d'expliciter une résolution projective totalement effective de l'idéal d'un point lisse d'une hypersurface. Enfin, nous abordons la théorie de la régularité en dimension 1 via l'étude des idéaux inversibles et fournissons un algorithme implémenté en Magma calculant l'anneau des entiers d'un corps de nombres.

This Commutative Algebra thesis focuses mainly on the depth theory. We try to provide an approach without noetherian hypothesis in order to escape prime ideals and to handle only basic and explicit concepts. We study the algebraic complexes of Koszul and Cech and their cohomological properties by using simple results on the cohomology of the totalization of a bicomplex. In the Cech cohomology context we established the long exact sequence of Mayer-Vietoris only with a treatment based on the elements. Another important concept is that of Krull dimension. Its characterization in terms of monoids allows us to show expeditiously the vanishing Grothendieck theorem in Cech cohomology.We also provide an algorithm to complete a omogeneous polynomial in a h.s.o.p.. The depth is closely related to the theory of finite free/projective resolutions. We report a generalization of the Ferrand-Vasconcelos theorem due to Jouanolou. In addition, we review some results involving the depth of the ideals of expected ranks in a finite free resolution.We revisit, in a particular case, a construction due to Tate. This allows us to give an effective projective resolution of the ideal of a point of a smooth hypersurface. Finally, we discuss the regularity theory in dimension 1 by studying invertible ideals and provide an algorithm implemented in Magma computing the ring of integers…

Advisors/Committee Members: Ducos, Lionel (thesis director).

Subjects/Keywords: Algèbre commutative effective; (co)homologie de Koszul; Cohomologie de Cech; Suite exacte de Mayer-Vietoris; Cohomologie du totalisé d'un bicomplexe; Profondeur; Suite régulière; Complètement sécante; 1-Sécante; Quasi-Régulière; Dimension de Krull; Résolution libre finie; Construction de Tate; Calcul de l'anneau des entiers d'un corps de nombres; Effective commutative algebra; Koszul cohomology; Cech cohomology; Mayer-Vietoris exact sequence; Cohomology of the totalization of a bicomplex; Depth; Regular sequence; 1-Secant sequence; Quasi-Regular sequence; Krull dimension; Finite free resolution; Tate construction; Algorithm for computing the ring of integers of a number field; 512.44

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

APA (6^th Edition):

Tête, C. (2014). Profondeur, dimension et résolutions en algèbre commutative : quelques aspects effectifs : Depth, dimension and resolutions in commutative algebra : some effective aspects. (Doctoral Dissertation). Poitiers. Retrieved from http://www.theses.fr/2014POIT2288

Chicago Manual of Style (16^th Edition):

Tête, Claire. “Profondeur, dimension et résolutions en algèbre commutative : quelques aspects effectifs : Depth, dimension and resolutions in commutative algebra : some effective aspects.” 2014. Doctoral Dissertation, Poitiers. Accessed December 10, 2019. http://www.theses.fr/2014POIT2288.

MLA Handbook (7^th Edition):

Tête, Claire. “Profondeur, dimension et résolutions en algèbre commutative : quelques aspects effectifs : Depth, dimension and resolutions in commutative algebra : some effective aspects.” 2014. Web. 10 Dec 2019.

Vancouver:

Tête C. Profondeur, dimension et résolutions en algèbre commutative : quelques aspects effectifs : Depth, dimension and resolutions in commutative algebra : some effective aspects. [Internet] [Doctoral dissertation]. Poitiers; 2014. [cited 2019 Dec 10]. Available from: http://www.theses.fr/2014POIT2288.

Council of Science Editors:

Tête C. Profondeur, dimension et résolutions en algèbre commutative : quelques aspects effectifs : Depth, dimension and resolutions in commutative algebra : some effective aspects. [Doctoral Dissertation]. Poitiers; 2014. Available from: http://www.theses.fr/2014POIT2288

Freie Universität Berlin

10. Ellermeyer, Tonio. The role of Ferroportin in Chronic Hepatitis C.

Degree: 2009, Freie Universität Berlin

URL: http://dx.doi.org/10.17169/refubium-10838

► BACKGROUND: There is evidence that hepatocellular iron overload aggravates both the course of hepatitis C and its treatment response. Ferroportin is the only known exporter… (more)

▼ BACKGROUND: There is evidence that hepatocellular iron overload aggravates both the course of hepatitis C and its treatment response. Ferroportin is the only known exporter of intracellular iron. As yet there are no reports analyzing the role of ferroportin variants on the outcome of hepatitis C therapy. METHODS: Variants within the ferroportin-gene were identified using direct sequencing in 65 subjects (15 HCV-negative, 50 HCV-positive). Subsequently, a group of 200 additional HCV-patients, who had already undergone treatment and were taking part in a one-year-follow-up, were screened for selected polymorphisms. All patients received a combination of consensus-interferon and ribavirin during a period of 48 weeks. None of them had previously received interferon-based treatment. Correlation between polymorphisms and two surrogate outcome measures was tested by Fisher's exact test. The surrogate outcome measures used to determine therapeutic success were a) serum-viral-load below threshold of detectability and b) serum-GPT- levels within normal reference range. Both parameters were assessed 12 months after the end of treatment - thus excluding as many relapsers as possible. RESULTS: The analysis of the ferroportin-gene in the 65 subjects revealed eleven variants. The haplotypes constituted by them were found to be differentiated by five polymorphisms. Among them the 5’-UTR-polymorphism c.1-310 CGG(7_9) was shown to be significantly associated with biochemical response (n=70, p=0.013) – suggesting the following order of probability of therapeutic success: (CGG)7/7 < (CGG)7/8 < (CGG)8/8. More specifically: the presence of (CGG)7 (either heterozygous or homozygous) was significantly associated with biochemical treatment failure (n=70, p=0.018). The same tendencies in probability of therapeutic success were observed in the association of (CGG)7 to viral treatment response (n=60). CONSLUSION: The ferroportin-variant c.1-310 CGG(7_9) is significantly associated with biochemical response to interferon-ribavirin-combination-therapy of chronic hepatitis C. The presence of (CGG)7 either heterozygous or homozygous is significantly associated with biochemical treatment failure. The relevance of this biomarker has to be determined in confirming our observations in larger cohorts. Advisors/Committee Members: n (gender), Prof. Dr. med. H. Schmidt (firstReferee), Prof. Dr. med. B. Wiedenmann (furtherReferee), Priv.-Doz. Dr. med. H. Wedemeyer (furtherReferee).

Subjects/Keywords: medicine; hepatology; genetics; chronic hepatitis c; CHC; HCV; iron; fe; ferroportin; FPN; SLC40A1; SLC11A3; MTP1 (Metal Transporter Protein 1); IREG1 (Iron Regulated Transporter 1); HFE4; therapy; interferon; consensus-interferon; CIFN; ribavirin; response; relapse; nonresponse; outcome; surrogate outcome measure; SVR; viral load; viral response; biochemical response; GPT; ALAT; ALT; alanine aminotransferase; c.1-310 CGG(7_9); predictor; gene; polymorphism; sequence variant; repeat; core promoter; promoter; sequence analysis; haplotype analysis; Fisher's exact test; correlation; significant association; 600 Technik, Medizin, angewandte Wissenschaften::610 Medizin und Gesundheit

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

APA (6^th Edition):

Ellermeyer, T. (2009). The role of Ferroportin in Chronic Hepatitis C. (Thesis). Freie Universität Berlin. Retrieved from http://dx.doi.org/10.17169/refubium-10838

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

Ellermeyer, Tonio. “The role of Ferroportin in Chronic Hepatitis C.” 2009. Thesis, Freie Universität Berlin. Accessed December 10, 2019. http://dx.doi.org/10.17169/refubium-10838.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

Ellermeyer, Tonio. “The role of Ferroportin in Chronic Hepatitis C.” 2009. Web. 10 Dec 2019.

Vancouver:

Ellermeyer T. The role of Ferroportin in Chronic Hepatitis C. [Internet] [Thesis]. Freie Universität Berlin; 2009. [cited 2019 Dec 10]. Available from: http://dx.doi.org/10.17169/refubium-10838.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Ellermeyer T. The role of Ferroportin in Chronic Hepatitis C. [Thesis]. Freie Universität Berlin; 2009. Available from: http://dx.doi.org/10.17169/refubium-10838

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

11. García Pinillos, Mónica. El estudio del infinito a través del espacio exterior.

Degree: 1998, Universidad de La Rioja

URL: https://dialnet.unirioja.es/servlet/oaites?codigo=28

► In this thesis we introduce the notion of exterior space to study the properties of the spaces at infinite. One of the main problems of… (more)

▼ In this thesis we introduce the notion of exterior space to study the properties of the spaces at infinite. One of the main problems of the proper homotopy is that there are few limits and colimits to satisfy CM1 axiom of Quillen closed model category. The category we define, the exterior spaces category, provides a nice framework. The proper category can be considered as a full subcategory of the category of the exterior spaces. Moreover, the category of the exterior spaces satisfies all the axioms of closed model category. This way, we can study proper category by taking advantage of the techniques and results available in this axiomatic model. In particular, CM1, will allow to develop different homotopy constructions throughout finite limits and colimits. One of the main problems of the proper category is that, until the moment, some homotopy constructions as homotopy fibres or loop spaces can't be developed. The utilization of the exterior spaces allows the construction of homotopy fibres and loop spaces. In this work we have obtained a consecutive homotopy fibres sequence and loop spaces to study groups type Brown-Grossman and other sequence to study groups type Steenrod The category of the exterior spaces consists of exterior spaces as objects and exterior maps as morphisms. More in detail an exterior space is a topological space, (X, Tx), enriched with an additional structure we name externology. The definition of externology is suggested by the properties of the neighbourhoods at infinite (complements of closed compact sets) that will form the externology. An externology is a non empty collection of open subsets of X, we name them exterior open subsets, satisfying that the finite intersection of exterior open subsets is an exterior open subset and that if an exterior open subset is contained in an open subset, then the open subset is also an exterior open subset. An externology is a topology but the reciprocal it is not true. A map is said to be exterior if it is continuous respect to the topology and the externology. One of the main results is Theorem 2.1.6. In this result we prove that the category of the exterior spaces has a structure of closed model category taking as weak equivalences the morphisms which induce isomorphisms with respect to the Brown -Grossman homotopy groups, that we denominate exterior homotopy groups. We name this structure exterior as well as its associated notions. We also obtain a long exact sequence of a morphism in the category of the exterior spaces with exterior base succession and, as a particular case, the long exact sequence of a pair in the category of pairs the exterior spaces with exterior base sequence. In this thesis we also define the notion of N-complex. An N-complex is constructed inductively. The n-skeleton is constructed from the n-1 skeleton by gluing N-cells of dimension n, that are sequences of n-spheres (n greater or equals to zero) with exterior maps such as if has the weak topology and externology respect to n-skeletons filtration. We prove that N-complexes… Advisors/Committee Members: Hernández Paricio, Luis Javier (Universidad de La Rioja).

Subjects/Keywords: Categoría de modelos cerrada de Quillen; espacio exterior; grupos de homotopía de Brown-Grossman; grupos de homotopía de Steenrod; teorema de Whitehead; homotopía propia; sucesión exacta larga de homotopía asociada a un morfismo; categoría localizada; Quillen closed model category; Exterior space; Whitehead theorem; Brown-Grossman homotopy groups; Steenrod homotopy groups; Proper homotopy; long exact homotopy sequence associated to a morphism; localised category

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

APA (6^th Edition):

García Pinillos, M. (1998). El estudio del infinito a través del espacio exterior. (Thesis). Universidad de La Rioja. Retrieved from https://dialnet.unirioja.es/servlet/oaites?codigo=28

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16^th Edition):

García Pinillos, Mónica. “El estudio del infinito a través del espacio exterior.” 1998. Thesis, Universidad de La Rioja. Accessed December 10, 2019. https://dialnet.unirioja.es/servlet/oaites?codigo=28.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7^th Edition):

García Pinillos, Mónica. “El estudio del infinito a través del espacio exterior.” 1998. Web. 10 Dec 2019.

Vancouver:

García Pinillos M. El estudio del infinito a través del espacio exterior. [Internet] [Thesis]. Universidad de La Rioja; 1998. [cited 2019 Dec 10]. Available from: https://dialnet.unirioja.es/servlet/oaites?codigo=28.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

García Pinillos M. El estudio del infinito a través del espacio exterior. [Thesis]. Universidad de La Rioja; 1998. Available from: https://dialnet.unirioja.es/servlet/oaites?codigo=28

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Open Access Theses and Dissertations