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The families with period 1 of 2-groups of coclass 3 /Smith, Duncan January 2000 (has links)
Thesis (M. Sc.)--University of New South Wales, 2000. / Also available online.
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Equidimensional adic eigenvarieties for groups with discrete seriesGulotta, Daniel Robert January 2018 (has links)
We extend Urban's construction of eigenvarieties for reductive groups G such that G(R) has discrete series to include characteristic p points at the boundary of weight space. In order to perform this construction, we define a notion of "locally analytic" functions and distributions on a locally Q_p-analytic manifold taking values in a complete Tate Z_p-algebra in which p is not necessarily invertible. Our definition agrees with the definition of locally analytic distributions on p-adic Lie groups given by Johansson and Newton.
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Characters of some supercuspidal representations of p-ADIC Sp[subscrip]4(F) /Boller, John David. January 1999 (has links)
Thesis (Ph. D.)--University of Chicago, Dept. of Mathematics, December 1999. / Includes bibliographical references. Also available on the Internet.
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Determining whether certain affine Deligne-Lusztig sets are empty /Reuman, Daniel Clark. January 2002 (has links)
Thesis (Ph. D.)--University of Chicago, Department of Mathematics, August 2002. / Includes bibliographical references. Also available on the Internet.
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On the Construction of Supercuspidal Representations: New Examples from Shallow CharactersGastineau, Stella Sue January 2022 (has links)
Thesis advisor: Mark Reeder / This thesis contributes to the construction of supercuspidal representations in small residual characteristics. Let G be a connected, quasi-split, semisimple reductive algebraic group defined and quasi-split over a non-archimedean local field k and splitting over a tamely, totally ramified extension of k. To each parahoric subgroup of G(k), Moy and Prasad have attached a natural filtration by compact open subgroups, the first of which is called the pro-unipotent radical of the parahoric subgroup. The first main result of this thesis is to characterize shallow characters of a pro-unipotent radical, those being complex characters that vanish on the smallest Moy-Prasad subgroup containing all commutators of linearly-dependent affine k-root groups. Through low-rank examples, we illustrate how this characterization can be used to explicitly construct all shallow characters. Next, we provide a natural sufficient condition under which a shallow character compactly induces as a direct sum of supercuspidal representations of G(k). Through examples, however, we show that this sufficient condition need not be necessary, all while constructing new supercuspidal representations of Sp_4(k) when p = 2 and the split form of G_2 over k when p = 3. This work extends the construction of the simple supercuspidal representations given by Gross and Reeder and the epipelagic supercuspidal representations given by Reeder and Yu. / Thesis (PhD) — Boston College, 2022. / Submitted to: Boston College. Graduate School of Arts and Sciences. / Discipline: Mathematics.
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On the Restriction of Supercuspidal Representations: An In-Depth Exploration of the DataBourgeois, Adèle 31 August 2020 (has links)
Let $\mathbb{G}$ be a connected reductive group defined over a p-adic field F which splits over a tamely ramified extension of F, and let G = $\mathbb{G}(F)$. We also assume that the residual characteristic of F does not divide the order of the Weyl group of $\mathbb{G}$.
Following J.K. Yu's construction, the irreducible supercuspidal representation constructed from the G-datum $\Psi$ is denoted $\pi_G(\Psi)$. The datum $\Psi$ contains an irreducible depth-zero supercuspidal representation, which we refer to as the depth-zero part of the datum. Under our hypotheses, the J.K. Yu Construction is exhaustive.
Given a connected reductive F-subgroup $\mathbb{H}$ that contains the derived subgroup of $\mathbb{G}$, we study the restriction $\pi_G(\Psi)|_H$ and obtain a description of its decomposition into irreducible components along with their multiplicities. We achieve this by first describing a natural restriction process from which we construct H-data from the G-datum $\Psi$. We then show that the obtained H-data, and conjugates thereof, construct the components of $\pi_G(\Psi)|_H$, thus providing a very precise description of the restriction. Analogously, we also describe an extension process that allows to construct G-data from an H-datum $\Psi_H$. Using Frobenius Reciprocity, we obtain a description for the components of $\Ind_H^G\pi_H(\Psi_H)$.
From the obtained description of $\pi_G(\Psi)|_H$, we prove that the multiplicity in $\pi_G(\Psi)|_H$ is entirely determined by the multiplicity in the restriction of the depth-zero piece of the datum. Furthermore, we use Clifford theory to obtain a formula for the multiplicity of each component in $\pi_G(\Psi)|_H$. As a particular case, we take a look at the regular depth-zero supercuspidal representations and obtain a condition for a multiplicity free restriction.
Finally, we show that our methods can also be used to define a restriction of Kim-Yu types, allowing to study the restriction of irreducible representations which are not supercuspidal.
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Positive orthogonal sets for Sp(4) /Degni, Christopher Edward. January 2002 (has links)
Thesis (Ph. D.)--University of Chicago, Department of Mathematics, June 2002. / Includes bibliographical references. Also available on the Internet.
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Lie methods in pro-p groupsSnopçe, Ilir. January 2009 (has links)
Thesis (Ph. D.)--State University of New York at Binghamton, Department of Mathematical Sciences, 2009. / Includes bibliographical references.
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On the construction of groups with prescribed propertiesDecker, Erin. January 2008 (has links)
Thesis (M.A.)--State University of New York at Binghamton, Department of Mathematical Sciences, 2009. / Includes bibliographical references.
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Invariant representations of GSp(2)Chan, Ping-Shun, January 2005 (has links)
Thesis (Ph. D.)--Ohio State University, 2005. / Title from first page of PDF file. Includes bibliographical references (p. 253-255).
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