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Related papers: Construction of local A-packets

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In this paper, we explicitly compute the semisimplifications of all Jacquet modules of irreducible representations with generic L-parameters of p-adic split odd special orthogonal groups or symplectic groups. Our computation represents them…

Representation Theory · Mathematics 2018-12-18 Hiraku Atobe

In this paper, following Arthur's ideas, we rework the process of constructing the anti-tempered local Arthur packets for quasi-split classical groups and their pure inner forms. In particular, we present explicit examples illustrating…

Number Theory · Mathematics 2024-08-22 Baiying Liu , Chi-Heng Lo , Freydoon Shahidi

In this paper, for symplectic and split odd special orthogonal groups, we develop an account of theory on the intersection problem of local Arthur packets. Specifically, following Atobe's reformulation on M{\oe}glin's construction of local…

Representation Theory · Mathematics 2024-04-16 Alexander Hazeltine , Baiying Liu , Chi-Heng Lo

In this article, we explicitly construct local Arthur packets for metaplectic groups over non-Archimedean local fields of characteristic zero. Our construction is a generalization of Atobe's construction of local Arthur packets for…

Representation Theory · Mathematics 2026-04-28 Jiahe Chen

Arthur packets have been defined for pure real forms of symplectic and special orthogonal groups following two different approaches. The first approach, due to Arthur, Moeglin and Renard uses harmonic analysis. The second approach, due to…

Representation Theory · Mathematics 2026-01-14 Nicolas Arancibia Robert , Paul Mezo

In this paper, we give an explicit computable algorithm for the Zelevinsky-Aubert dual of irreducible representations of $p$-adic symplectic and odd special orthogonal groups. To do this, we establish explicit formulas for certain…

Representation Theory · Mathematics 2020-09-07 Hiraku Atobe , Alberto Minguez

In this paper, we give an algorithm to determine all local A-packets containing a given irreducible representation of a p-adic classical group. Especially, we can determine whether a given irreducible representation is of Arthur type or…

Representation Theory · Mathematics 2022-01-05 Hiraku Atobe

We compute special unipotent Arthur packets for real reductive groups in many cases. We list the cases that lead to incomplete answers, and in those cases, provide a suitable set of representations that could lead to a complete description…

Representation Theory · Mathematics 2018-11-16 Jonathan Fernandes

In this paper, we complete Jantzen's algorithm to compute the highest derivatives of irreducible representations of $p$-adic odd special orthogonal groups or symplectic groups. As an application, we give some examples of the Langlands data…

Representation Theory · Mathematics 2020-06-05 Hiraku Atobe

In spirit of Gan-Ichino's work on the Arthur's multiplicity formula for metaplectic groups, we have established the Arthur's multiplicity formula for even orthogonal or unitary groups with Witt index less than or equal to one. In that…

Representation Theory · Mathematics 2021-04-27 Rui Chen , Jialiang Zou

In this paper, we introduce a notion of ladder representations for split odd special orthogonal groups and symplectic groups over a non-archimedean local field of characteristic zero. This is a natural class in the admissible dual which…

Representation Theory · Mathematics 2022-10-03 Hiraku Atobe

We establish an explicit correspondence of certain Arthur packets between real unitary groups and $p$-adic symplectic or orthogonal groups. This allows one to compute Arthur packets of real unitary groups by translating results from the…

Representation Theory · Mathematics 2026-03-18 Taiwang Deng , Chang Huang , Bin Xu , Qixian Zhao

We give a survey on M{\oe}glin's construction of representations in the Arthur packets for $p$-adic quasisplit symplectic and orthogonal groups. The emphasis is on comparing M{\oe}glin's parametrization of elements in the Arthur packets…

Representation Theory · Mathematics 2016-09-02 Bin Xu

Let $k$ be a $p$-adic field and let $\mathbf{G}(k)$ be the $k$-points of a connected reductive group, inner to split. The set of Aubert-Zelevinsky duals of the constituents of a tempered L-packet form an Arthur packet for $\mathbf{G}(k)$.…

Representation Theory · Mathematics 2022-10-04 Dan Ciubotaru , Lucas Mason-Brown , Emile Okada

We construct local Arthur packets associated with a dihedral long root $A$-parameter of a split reductive group of type $G_2$ over a nonarchimedian local field of characteristic zero. The construction relies on an exceptional correspondence…

Representation Theory · Mathematics 2023-08-10 Raúl Alonso , Qiao He , Mishty Ray , Martí Roset

In his monograph (2013) Arthur characterizes the L-packets of quasisplit symplectic groups and orthogonal groups. By extending his work, we characterize the L-packets for the corresponding similitude groups with desired properties. In…

Representation Theory · Mathematics 2017-03-01 Bin Xu

In this paper we prove Vogan's conjecture on local Arthur packets, for Arthur parameters of $p$-adic general linear groups that are irreducible as representations of $W_F \times SL_2(\mathbb{C}) \times SL_2(\mathbb{C})$ - we refer to such…

Representation Theory · Mathematics 2022-10-11 Clifton Cunningham , Mishty Ray

We construct the Arthur packets for symplectic and even orthogonal similitude groups over a $p$-adic field and show that they are stable and satisfy the twisted endoscopic character relations.

Number Theory · Mathematics 2023-06-16 Bin Xu

In this paper, applying the intersection theory of local Arthur packets, for symplectic and split odd special orthogonal groups G_n, we give the first complete proof of the enhanced Shahidi conjecture on generic representations in local…

Representation Theory · Mathematics 2024-06-21 Alexander Hazeltine , Baiying Liu , Chi-Heng Lo

In this paper, we explicitly classify the corank 4 unitary representations of symplectic or split odd special orthogonal groups over non-Archimedean local fields of characteristic zero, by classifying Arthur representations of corank 4 and…

Representation Theory · Mathematics 2026-03-24 Baiying Liu , Chi-Heng Lo , Brian Wen
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