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You searched for subject:(GSp 4 ). Showing records 1 – 3 of 3 total matches.

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University of Oklahoma

1. VerNooy, Colin. K-types and Invariants for the Representations of GSp(4,R).

Degree: PhD, 2019, University of Oklahoma

Automorphic representations of the adelic group GSp (4 ,A Q ) are of importance in their relation to Siegel modular forms of degree 2. Given an automorphic representation π of GSp (4 ,A Q ), it decomposes into a product of admissible representations at each place. In the non-archimedean case, many useful results have been produced by Roberts and Schmidt. Here we find some invariants for the case of GSp (4 ,R ), including the K -type structure, the L- and epsilon -factors, and the Gelfand-Kirillov dimension for all irreducible admissible representations. Advisors/Committee Members: Schmidt, Ralf (advisor), Heyck, Hunter (committee member), Przebinda, Tomasz (committee member), Kujawa, Jonathan (committee member), Roche, Alan (committee member).

Subjects/Keywords: representation theory; GSp(4); sympleptic group

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APA (6th Edition):

VerNooy, C. (2019). K-types and Invariants for the Representations of GSp(4,R). (Doctoral Dissertation). University of Oklahoma. Retrieved from http://hdl.handle.net/11244/321122

Chicago Manual of Style (16th Edition):

VerNooy, Colin. “K-types and Invariants for the Representations of GSp(4,R).” 2019. Doctoral Dissertation, University of Oklahoma. Accessed January 28, 2021. http://hdl.handle.net/11244/321122.

MLA Handbook (7th Edition):

VerNooy, Colin. “K-types and Invariants for the Representations of GSp(4,R).” 2019. Web. 28 Jan 2021.

Vancouver:

VerNooy C. K-types and Invariants for the Representations of GSp(4,R). [Internet] [Doctoral dissertation]. University of Oklahoma; 2019. [cited 2021 Jan 28]. Available from: http://hdl.handle.net/11244/321122.

Council of Science Editors:

VerNooy C. K-types and Invariants for the Representations of GSp(4,R). [Doctoral Dissertation]. University of Oklahoma; 2019. Available from: http://hdl.handle.net/11244/321122


The Ohio State University

2. Chan, Ping Shun. Invariant representations of GSp(2).

Degree: PhD, Mathematics, 2005, The Ohio State University

Let F be a number field or a p-adic field. We introduce in Chapter 2 of this work two reductive rank one F-groups, H1, H2, which are twisted endoscopic groups of GSp(2) with respect to a fixed quadratic character varepsilon of the idele class group of F if F is global, F* if F is local. If F is global, Langlands functoriality predicts that there exists a canonical lifting of the automorphic representations of H1, H2 to those of GSp(2). In Chapter 4, we establish this lifting in terms of the Satake parameters which parametrize the automorphic representations. By means of this lifting we provide a classification of the discrete spectrum automorphic representations of GSp(2) which are invariant under tensor product with varepsilon. The techniques through which we arrive at our results are inspired by those of Kazhdan’s in [K]. In particular, they involve comparing the spectral sides of the trace formulas for the groups under consideration. We make use of the twisted extension of Arthur’s trace formula, and Kottwitz-Shelstad’s stabilization of the elliptic component of the geometric side of the twisted trace formula. If F is local, in Chapter 5 we provide a classification of the irreducible admissible representations of GSp(2, F) which are invariant under tensor product with the quadratic character varepsilon of F*. Here, our techniques are also directly inspired by [K]. More precisely, we use the global results from Chapter 4 to express the twisted characters of these invariant representations in terms of the characters of the admissible representations of Hi(F) (i = 1, 2). These (twisted) character identities provide candidates for the liftings predicted by the local component of the conjectural Langlands functoriality. The proofs rely on Sally-Tadic’s classification of the irreducible admissible representations of GSp(2, F), and Flicker’s results on the lifting from PGSp(2) to PGL(4). Advisors/Committee Members: Flicker, Yuval (Advisor).

Subjects/Keywords: Mathematics; Automorphic representations; Langlands Functoriality; Lifting; Harmonic analysis on p-adic groups; Symplectic group of similitudes; GSp(2); { m GSp}(2); GSp(4); { m GSp}(4)

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APA (6th Edition):

Chan, P. S. (2005). Invariant representations of GSp(2). (Doctoral Dissertation). The Ohio State University. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=osu1132765381

Chicago Manual of Style (16th Edition):

Chan, Ping Shun. “Invariant representations of GSp(2).” 2005. Doctoral Dissertation, The Ohio State University. Accessed January 28, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=osu1132765381.

MLA Handbook (7th Edition):

Chan, Ping Shun. “Invariant representations of GSp(2).” 2005. Web. 28 Jan 2021.

Vancouver:

Chan PS. Invariant representations of GSp(2). [Internet] [Doctoral dissertation]. The Ohio State University; 2005. [cited 2021 Jan 28]. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=osu1132765381.

Council of Science Editors:

Chan PS. Invariant representations of GSp(2). [Doctoral Dissertation]. The Ohio State University; 2005. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=osu1132765381


The Ohio State University

3. Young, Justin N. The twisted tensor L-function of GSp(4).

Degree: PhD, Mathematics, 2009, The Ohio State University

We construct an integral representation for the twisted tensor L-function of a globally generic cuspidal automorphic representation of GSp(4) over a number field. We prove that the integral is Eulerian, i.e., has an infinite product expansion. We compute the unramified integrals and show by way of a branching result (from GL(4) to Sp(4)) that these integrals calculate the correct local L-factor. This gives a new proof of the analogous identity in D. Jiang's thesis. Finally, we show all the local integrals are absolutely convergent in a right half-plane and that they are non-vanishing for appropriate choice of data. We close with some remarks about poles of our global integral and possible future applications to period integrals and quadratic base change for GSp(4). Advisors/Committee Members: Rallis, Stephen (Advisor).

Subjects/Keywords: Mathematics; automorphic forms; L-functions; GSp(4); integral representations; Rankin-Selberg

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

APA (6th Edition):

Young, J. N. (2009). The twisted tensor L-function of GSp(4). (Doctoral Dissertation). The Ohio State University. Retrieved from http://rave.ohiolink.edu/etdc/view?acc_num=osu1244049123

Chicago Manual of Style (16th Edition):

Young, Justin N. “The twisted tensor L-function of GSp(4).” 2009. Doctoral Dissertation, The Ohio State University. Accessed January 28, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=osu1244049123.

MLA Handbook (7th Edition):

Young, Justin N. “The twisted tensor L-function of GSp(4).” 2009. Web. 28 Jan 2021.

Vancouver:

Young JN. The twisted tensor L-function of GSp(4). [Internet] [Doctoral dissertation]. The Ohio State University; 2009. [cited 2021 Jan 28]. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=osu1244049123.

Council of Science Editors:

Young JN. The twisted tensor L-function of GSp(4). [Doctoral Dissertation]. The Ohio State University; 2009. Available from: http://rave.ohiolink.edu/etdc/view?acc_num=osu1244049123

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