Symmetry in the Cuntz algebra on two generators

被引:4
|
作者
Choi, Man-Duen [2 ]
Latremoliere, Frederic [1 ]
机构
[1] Univ Denver, Dept Math, Denver, CO 80208 USA
[2] Univ Toronto, Dept Math, Toronto, ON M5S 1A1, Canada
关键词
Finite group action; Proper isometries; Cuntz algebras; Fixed point C*-algebra; C*-crossed-product; FINITE-GROUP ACTIONS; C-ASTERISK-ALGEBRAS; CROSSED PRODUCTS; ROHLIN PROPERTY; UNITARIES;
D O I
10.1016/j.jmaa.2011.10.008
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
We investigate the structure of the automorphism of O(2) which exchanges the two canonical isometries. Our main observation is that the fixed point C*-subalgebra for this action is isomorphic to O(2) and we detail the relationship between the crossed-product and fixed point subalgebra. (C) 2011 Elsevier Inc. All rights reserved.
引用
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页码:1050 / 1060
页数:11
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