Two dimensional integral representations via branches of the Bruhat-Tits tree.

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Title: Two dimensional integral representations via branches of the Bruhat-Tits tree.
Authors: Aguiló-Vidal, Bruno1 (AUTHOR) bruno.aguilo@udp.cl, Arenas-Carmona, Luis1,2 (AUTHOR) learenas@u.uchile.cl, Saavedra-Lagos, Matías2 (AUTHOR) matias.saavedra.l@ug.uchile.cl
Source: Journal of Number Theory. Jul2026, Vol. 284, p62-103. 42p.
Subjects: Integral representations, Rings of integers, Group theory, Algebraic number theory, Representation theory, Mathematical formulas, Finite groups
Abstract: We apply the theory of branches in Bruhat-Tits trees, developed in previous works by the second author and others, to the study of two dimensional representations of finite groups over the ring of integers of a number field. We provide a general strategy to perform these computations, and we give explicit formulas for some particular families. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Number Theory is the property of Academic Press Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Two dimensional integral representations via branches of the Bruhat-Tits tree.
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  Data: <searchLink fieldCode="DE" term="%22Integral+representations%22">Integral representations</searchLink><br /><searchLink fieldCode="DE" term="%22Rings+of+integers%22">Rings of integers</searchLink><br /><searchLink fieldCode="DE" term="%22Group+theory%22">Group theory</searchLink><br /><searchLink fieldCode="DE" term="%22Algebraic+number+theory%22">Algebraic number theory</searchLink><br /><searchLink fieldCode="DE" term="%22Representation+theory%22">Representation theory</searchLink><br /><searchLink fieldCode="DE" term="%22Mathematical+formulas%22">Mathematical formulas</searchLink><br /><searchLink fieldCode="DE" term="%22Finite+groups%22">Finite groups</searchLink>
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  Data: We apply the theory of branches in Bruhat-Tits trees, developed in previous works by the second author and others, to the study of two dimensional representations of finite groups over the ring of integers of a number field. We provide a general strategy to perform these computations, and we give explicit formulas for some particular families. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Journal of Number Theory is the property of Academic Press Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1016/j.jnt.2025.12.005
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 42
        StartPage: 62
    Subjects:
      – SubjectFull: Integral representations
        Type: general
      – SubjectFull: Rings of integers
        Type: general
      – SubjectFull: Group theory
        Type: general
      – SubjectFull: Algebraic number theory
        Type: general
      – SubjectFull: Representation theory
        Type: general
      – SubjectFull: Mathematical formulas
        Type: general
      – SubjectFull: Finite groups
        Type: general
    Titles:
      – TitleFull: Two dimensional integral representations via branches of the Bruhat-Tits tree.
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            NameFull: Arenas-Carmona, Luis
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            NameFull: Saavedra-Lagos, Matías
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          Dates:
            – D: 01
              M: 07
              Text: Jul2026
              Type: published
              Y: 2026
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              Value: 284
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            – TitleFull: Journal of Number Theory
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