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$C_n^{(1)}$型 Hecke 代数の exotic な幾何学的実現について An exotic geometric realization of Hecke algebras of type $C_n^{(1)}$

加藤, 周 $C_n^{(1)}$型 Hecke 代数の exotic な幾何学的実現について An exotic geometric realization of Hecke algebras of type $C_n^{(1)}$. In: 表現論シンポジウム, 2005/11/15-18, ヤマハリゾートつま恋.

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15 November 2005: 表現論シンポジウム

Abstract

This is a informal report of the on-going project about the Deligne-Langlands type classication of type 1 representation of Hecke algebras with unequal parameters. We introduce an exotic version of nilpotent cone for symplectic groups. It enables us to realize Hecke algebras with unequal parameters by means of equivariant K-groups.

Item Type:Conference or Workshop Item (Proceedings)
Subjects:16-xx ASSOCIATIVE RINGS AND ALGEBRAS
ID Code:35