Dept. Math, Hokkaido Univ. EPrints Server

有限コクセター群の余不変式環の強レフシェッツ元 (Strong Lefschetz elements of coinvariant rings of finite Coxeter groups)

前野, 俊昭 and 和地, 輝仁 有限コクセター群の余不変式環の強レフシェッツ元 (Strong Lefschetz elements of coinvariant rings of finite Coxeter groups). In: 表現論シンポジウム, 2005/11/15-18.

[img]PDF - Requires a PDF viewer such as GSview, Xpdf or Adobe Acrobat Reader
270Kb

15 November 2005: 表現論シンポジウム

Abstract

For coinvariant rings of finite Coxeter groups, we show that strong Lefschetz elements are not fixed by any reflections. When the group is a Weyl group, we prove that an element is a strong Lefschetz element if and only if the element is not fixed by any reflections.

Item Type:Conference or Workshop Item (UNSPECIFIED)
Subjects:16-xx ASSOCIATIVE RINGS AND ALGEBRAS
ID Code:831