Diagonal invariant ideals of Toeplitz algebras on discrete groups

• 作 者: XU Qingxiang(许庆祥)
• 机 构: DepartmentofMathematics
• 出 处: 中国科学：数学英文版
• 发表日期: 2002年4期
• 关键词: discrete ordered group TOEPLITZ algebra DIAGONAL INVARIANT ideal. discrete ord
• 基金项目: This work was supported by the National Natural Science Foundation of China(Grant No.1990019)and the Science and Technology Foundation of Shanghai Higher Education.

Diagonal invariant ideals of Toeplitz algebras defined on discrete groups are introduced and studied. In terms of isometric representations of Toeplitz algebras associated with quasi-ordered groups, a character of a discrete group to be amenable is clarif