Local newforms for generic representations of unramified even unitary groups I: Even conductor case

In this paper, we define compact open subgroups of quasi-split even unitary groups for each even non-negative integer and establish the theory of local newforms for irreducible tempered generic representations with a certain condition on the central characters. To do this, we use the local Gan–Gross...

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Main Author: Hiraku Atobe
Format: Article
Language:English
Published: Cambridge University Press 2025-01-01
Series:Forum of Mathematics, Sigma
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Online Access:https://www.cambridge.org/core/product/identifier/S2050509425000027/type/journal_article
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author Hiraku Atobe
author_facet Hiraku Atobe
author_sort Hiraku Atobe
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description In this paper, we define compact open subgroups of quasi-split even unitary groups for each even non-negative integer and establish the theory of local newforms for irreducible tempered generic representations with a certain condition on the central characters. To do this, we use the local Gan–Gross–Prasad conjecture, the local Rankin–Selberg integrals and the local theta correspondence.
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series Forum of Mathematics, Sigma
spelling doaj-art-9248d9a68fa648f1a886618803f3946f2025-02-03T04:49:58ZengCambridge University PressForum of Mathematics, Sigma2050-50942025-01-011310.1017/fms.2025.2Local newforms for generic representations of unramified even unitary groups I: Even conductor caseHiraku Atobe0https://orcid.org/0009-0002-6728-221XDepartment of Mathematics, Kyoto University, Kitashirakawa-Oiwake-cho, Sakyo-ku, Kyoto, 606-8502, Japan;In this paper, we define compact open subgroups of quasi-split even unitary groups for each even non-negative integer and establish the theory of local newforms for irreducible tempered generic representations with a certain condition on the central characters. To do this, we use the local Gan–Gross–Prasad conjecture, the local Rankin–Selberg integrals and the local theta correspondence.https://www.cambridge.org/core/product/identifier/S2050509425000027/type/journal_article22E5011S37
spellingShingle Hiraku Atobe
Local newforms for generic representations of unramified even unitary groups I: Even conductor case
Forum of Mathematics, Sigma
22E50
11S37
title Local newforms for generic representations of unramified even unitary groups I: Even conductor case
title_full Local newforms for generic representations of unramified even unitary groups I: Even conductor case
title_fullStr Local newforms for generic representations of unramified even unitary groups I: Even conductor case
title_full_unstemmed Local newforms for generic representations of unramified even unitary groups I: Even conductor case
title_short Local newforms for generic representations of unramified even unitary groups I: Even conductor case
title_sort local newforms for generic representations of unramified even unitary groups i even conductor case
topic 22E50
11S37
url https://www.cambridge.org/core/product/identifier/S2050509425000027/type/journal_article
work_keys_str_mv AT hirakuatobe localnewformsforgenericrepresentationsofunramifiedevenunitarygroupsievenconductorcase