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Academy of Mathematics and Systems Science, CAS
Colloquia & Seminars

Speaker:

ARIKI, susumu,Osaka University

Inviter:  
Title:
Morita classes of tame blocks of Hecke algebras of classical type
Time & Venue:
2018.12.18 10:00-11:00 N820
Abstract:

Since early days of the modular representation theory of Hecke algebras, it was observed that only one Morita equivalence class or one of two Morita equivalence classes appeared if a block algebra of Hecke algebras of type A was of finite or tame representation type. In this talk, I explain that this is true for other classical types assuming that the base field has an odd characteristic. The main tools for the proof are, Chuang-Rouquier sl(2) categorification applied to cyclotomic quiver Hecke algebras and tilting mutation.

 

 

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