NCTS(South)/ NCKU Math Colloquium
DATE	2011-12-28　11:00-12:00
PLACE	R204, 2F, NCTS, NCKU
SPEAKER	Prof. Jinkui Wan （Dept. of Math., Beijing Insititute of Technology, China）
TITLE	Wreath Hecke algebras and centralizer construction for wreath products
ABSTRACT	Generalizing the centralizer construction of Molev and Olshanski on symmetric groups, we study the structures of the centralizer Z_{m,n} of the wreath product G_{n-m} in the group algebra of G_n for any n> m. We establish the connection between Z_{m,n} and a generalization of degenerate affine Hecke algebras introduced in a separate work.