• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to project page

2017 Fiscal Year Annual Research Report

Operator Algebras and their Applications to Mathematical Physics

Research Project

Project/Area Number 15H02056
Research InstitutionThe University of Tokyo

Principal Investigator

河東 泰之  東京大学, 大学院数理科学研究科, 教授 (90214684)

Project Period (FY) 2015-04-01 – 2019-03-31
Keywords作用素環 / 部分因子環 / 共形場理論 / テンソル圏 / 頂点作用素代数 / エニオン
Outline of Annual Research Achievements

フュージョン圏におけるフル部分圏のDrinfel'dの意味での相対可換子圏の研究を続けた.特に相対チューブ環の部分環として相対トーラス環を定義し, その上でS行列の作用を考えた.これについて相対Verlinde公式を証明した. これは,フル部分圏が全体に一致する場合には, 通常のDrinfel'd中心のVerlinde公式であり,またフル部分圏が自明な場合には もともとのフュージョン則をそのまま書いたものである.したがって一般の 場合にはこの両極端の間を「補間」したものになっている.
また物質のトポロジカル相の数学的研究において,エニオンのモジュラーテンソル圏を使った研究の,作用素環的側面について研究を進めた.

Current Status of Research Progress
Current Status of Research Progress

2: Research has progressed on the whole more than it was originally planned.

Reason

ほぼ期待,予想のとおりに進展している.

Strategy for Future Research Activity

これまで通り,作用素環を用いて2次元共形場理論の研究を続ける.

  • Research Products

    (17 results)

All 2019 2018 Other

All Journal Article (3 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 2 results) Presentation (13 results) (of which Int'l Joint Research: 13 results,  Invited: 13 results) Remarks (1 results)

  • [Journal Article] Conformal field theory, vertex operator algebras and operator algebras2019

    • Author(s)
      Y. Kawahigashi
    • Journal Title

      Proceedings of International Congress of Mathematicians

      Volume: 印刷中 Pages: 印刷中

  • [Journal Article] The Relative Drinfeld Commutant of a Fusion Category and α-Induction2019

    • Author(s)
      Y. Kawahigashi
    • Journal Title

      Internat. Math. Research Notices

      Volume: 印刷中 Pages: 印刷中

    • DOI

      10.1093/imrn/rnx322

    • Peer Reviewed
  • [Journal Article] From Vertex Operator Algebras to Conformal Nets and Back2018

    • Author(s)
      Sebastiano Carpi, Yasuyuki Kawahigashi, Roberto Longo and Mihaly Weiner
    • Journal Title

      Memoirs of the American Mathematical Society

      Volume: 254 Pages: 1-85

    • DOI

      10.1090/memo/1213

    • Peer Reviewed / Int'l Joint Research
  • [Presentation] Topological phases of matter and subfactors2019

    • Author(s)
      Y. Kawahigashi
    • Organizer
      AMS Special Session on Quantum Symmetries: Subfactors and Fusion Categories
    • Int'l Joint Research / Invited
  • [Presentation] Topological phases of matter, subfactors and the relative Verlinde formula2019

    • Author(s)
      Y. Kawahigashi
    • Organizer
      Subfactors in Sydney: Operator algebras, representation theory, quantum field theory
    • Int'l Joint Research / Invited
  • [Presentation] Operator algebras and vertex operator algebras in conformal field theory2019

    • Author(s)
      Y. Kawahigashi
    • Organizer
      Higher structures in algebra, geometry, topology and quantum field theory, Preparatory workshop for a planned IRTG Hamburg-Tokyo
    • Int'l Joint Research / Invited
  • [Presentation] Operator algebras and vertex operator algebras in conformal field theory2018

    • Author(s)
      Y. Kawahigashi
    • Organizer
      10th CFT Seminar: A Conference on Vertex Algebras and Related Topics
    • Int'l Joint Research / Invited
  • [Presentation] Conformal field theory, vertex operator algebras and operator algebras2018

    • Author(s)
      Y. Kawahigashi
    • Organizer
      Operator Algebras at UCLA: A celebration of Masamichi Takesaki
    • Int'l Joint Research / Invited
  • [Presentation] Conformal field theory and operator algebras2018

    • Author(s)
      Y. Kawahigashi
    • Organizer
      Noncommutative Geometry and Representation Theory
    • Int'l Joint Research / Invited
  • [Presentation] The relative Drinfeld commutant of a fusion category, orbifold subfactors and alpha-induction2018

    • Author(s)
      Y. Kawahigashi
    • Organizer
      AQFT: Where Operator Algebra Meets Microlocal Analysis
    • Int'l Joint Research / Invited
  • [Presentation] Algebraic quantum field theory and subfactors2018

    • Author(s)
      Y. Kawahigashi
    • Organizer
      The 14th Korean Operator Algebras Seminar
    • Int'l Joint Research / Invited
  • [Presentation] Conformal field theory, operator algebras and vertex operator algebras2018

    • Author(s)
      Y. Kawahigashi
    • Organizer
      XXXVII Workshop on Geometric Methods in Physics
    • Int'l Joint Research / Invited
  • [Presentation] The relative Drinfeld commutant of a fusion category, orbifold subfactrors and alpha-induction2018

    • Author(s)
      Y. Kawahigashi
    • Organizer
      18th Workshop: Noncommutative Probability, Operators Algebras, Random Matrices and Related Topics, with Applications
    • Int'l Joint Research / Invited
  • [Presentation] Conformal field theory, vertex operator algebras and operator algebras2018

    • Author(s)
      Y. Kawahigashi
    • Organizer
      International Congress of Mathematicians 2018
    • Int'l Joint Research / Invited
  • [Presentation] Topological phases of matter, modular tensor categories and operator algebras2018

    • Author(s)
      Y. Kawahigashi
    • Organizer
      Quantum Computing Materials Challenges
    • Int'l Joint Research / Invited
  • [Presentation] The relative Drinfeld commutants and the relative Verlinde formula2018

    • Author(s)
      Y. Kawahigashi
    • Organizer
      Fusion Categories and Subfactors
    • Int'l Joint Research / Invited
  • [Remarks] 河東泰之

    • URL

      http://www.ms.u-tokyo.ac.jp/~yasuyuki

URL: 

Published: 2019-12-27  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi