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2020 年度 実績報告書

タウ傾理論のヘッケ代数への応用

研究課題

研究課題/領域番号 20J10492
研究機関大阪大学

研究代表者

王 起  大阪大学, 情報科学研究科, 特別研究員(DC2)

研究期間 (年度) 2020-04-24 – 2022-03-31
キーワードSchur algebras / tau-tilting finite
研究実績の概要

In this year, we obtained some results about the tau-tilting finiteness of block algebras of Hecke algebras of type A, the main method we use is to find a tau-tilting infinite quotient algebra of such a block algebra. In particular, we have found that the algebras presented by some simple quivers with arbitrary admissible ideal are tau-tilting infinite.

Also, we have got nice criteria for the tau-tilting finiteness of most classical Schur algebras which are closely connected to the representation theory of Hecke algebras. The main idea of this is inspired by the proof process for the study of Hecke algebras.

現在までの達成度 (区分)
現在までの達成度 (区分)

3: やや遅れている

理由

There are some difficulties in the original plan. Even though we have got some examples of tau-tilting finite/infinite blocks, we still cannot construct the complete boundary between tau-tilting finite blocks and tau-tilting infinite blocks.

今後の研究の推進方策

On the one hand, we plan to add some restrictions on block algebras of Hecke algebras to get some complete results. On the other hand, we hope that the research of classical Schur algebras is useful for finding more tau-tilting infinite block algebras of Hecke algebras.

  • 研究成果

    (3件)

すべて 2021 2020

すべて 雑誌論文 (1件) (うち査読あり 1件) 学会発表 (2件)

  • [雑誌論文] Report on the finiteness of silting objects2021

    • 著者名/発表者名
      Aihara Takuma、Honma Takahiro、Miyamoto Kengo、Wang Qi
    • 雑誌名

      Proceedings of the Edinburgh Mathematical Society

      巻: 64 ページ: 217~233

    • DOI

      10.1017/S0013091521000109

    • 査読あり
  • [学会発表] On tau-tilting finiteness of Schur algebras2020

    • 著者名/発表者名
      Qi Wang
    • 学会等名
      Seminar of Department of Mathematical Sciences, Tsinghua University
  • [学会発表] On tau-tilting finiteness of Schur algebras2020

    • 著者名/発表者名
      Qi Wang
    • 学会等名
      OIST Representation Theory Seminar

URL: 

公開日: 2022-12-28  

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