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2021 Fiscal Year Annual Research Report

The application of tau-tilting theory to Hecke algebras

Research Project

Project/Area Number 20J10492
Research InstitutionOsaka University

Principal Investigator

王 起  大阪大学, 情報科学研究科, 特別研究員(DC2)

Project Period (FY) 2020-04-24 – 2022-03-31
Keywordsτ-tilting finiteness / Schur algebras / Gentle tree algebras
Outline of Annual Research Achievements

In this academic year, I have written down three papers with my collaborators, the first one is jointed with Kengo Miyamoto on the τ-tilting finiteness of tensor products between simply connected algebras, the second one is jointed with Toshitaka Aoki on the τ-tilting finiteness of blocks of Schur algebras, the last one is jointed with Yingying Zhang on the number of support τ-tilting modules over trivial extensions of gentle tree algebras.

Through my own work and the collaboration with Aoki, I have got a complete result for the τ-tilting finiteness of Schur algebras. Since there is a deep connection between Schur algebras and Hecke algebras of type A, we have actually got some progress on this project.

Research Progress Status

令和3年度が最終年度であるため、記入しない。

Strategy for Future Research Activity

令和3年度が最終年度であるため、記入しない。

  • Research Products

    (8 results)

All 2022 2021 Other

All Int'l Joint Research (1 results) Journal Article (4 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 1 results) Presentation (3 results)

  • [Int'l Joint Research] Yingying Zhang/Huzhou University(中国)

    • Country Name
      CHINA
    • Counterpart Institution
      Yingying Zhang/Huzhou University
  • [Journal Article] On τ-tilting finiteness of the Schur algebra2022

    • Author(s)
      Wang Qi
    • Journal Title

      Journal of Pure and Applied Algebra

      Volume: 226 Pages: 106818~106818

    • DOI

      10.1016/j.jpaa.2021.106818

    • Peer Reviewed
  • [Journal Article] On τ-tilting modules over trivial extensions of gentle tree algebras2022

    • Author(s)
      Qi Wang, Yingying Zhang
    • Journal Title

      arXiv

      Volume: 2204.06418 Pages: 1-13

    • Int'l Joint Research
  • [Journal Article] On τ-tilting finiteness of blocks of Schur algebras2021

    • Author(s)
      Toshitaka Aoki, Qi Wang
    • Journal Title

      arXiv

      Volume: 2110.02000 Pages: 1-28

  • [Journal Article] On τ-tilting finiteness of tensor products between simply connected algebras2021

    • Author(s)
      Kengo Miyamoto, Qi Wang
    • Journal Title

      arXiv

      Volume: 2106.06423 Pages: 1-19

  • [Presentation] On τ-tilting finiteness of two-point algebras2022

    • Author(s)
      Qi Wang
    • Organizer
      第5回数理新人セミナー
  • [Presentation] On τ-tilting finiteness of Schur algebras and simply connected algebras2022

    • Author(s)
      Qi Wang
    • Organizer
      Mini-workshop at Osaka University
  • [Presentation] On τ-tilting finiteness of Schur algebras2021

    • Author(s)
      Qi Wang
    • Organizer
      Algebraic Lie Theory and Representation Theory 2021

URL: 

Published: 2022-12-28  

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