Classification of homomorphisms from C(X) to simple C*-algebras of real rank zero

被引:17
作者
Gong, GH [1 ]
Lin, HX
机构
[1] Univ Puerto Rico, Dept Math, Rio Piedras, PR 00931 USA
[2] Univ Oregon, Dept Math, Eugene, OR 97403 USA
[3] E China Normal Univ, Dept Math, Shanghai 200062, Peoples R China
来源
ACTA MATHEMATICA SINICA-ENGLISH SERIES | 2000年 / 16卷 / 02期
关键词
simple C*-algebras; real rank zero; K-theory; tracial states; almost multiplicative maps;
D O I
10.1007/s101140050001
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
Let A be a unital simple C*-algebra of real rank zero, stable rank one, with weakly unperforated K-o(A) and unique normalized quasi-trace tau, and let X be a compact metric space. We show that two monomorphisms phi, psi : C(X) --> A are approximately unitarily equivalent ii, and only if phi and psi, induce the same element in KL(C(X), A) and the two linear functionals tau o phi and tau o psi, are equal. We also show that, with an injectivity condition, an almost multiplicative morphism from C(X) into A with vanishing KK-obstacle is close to a homomorphism.
引用
收藏
页码:181 / 206
页数:26
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