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
相关论文
共 43 条
[1]  
Akemann C. A., 1973, Journal of Functional Analysis, V13, P277, DOI 10.1016/0022-1236(73)90036-0
[2]  
AKEMANN CA, 1985, MEM AM MATH SOC, V55, P326
[3]   DIMENSION FUNCTIONS AND TRACES ON C-STAR-ALGEBRAS [J].
BLACKADAR, B ;
HANDELMAN, D .
JOURNAL OF FUNCTIONAL ANALYSIS, 1982, 45 (03) :297-340
[4]   STABLE ISOMORPHISM OF HEREDITARY SUBALGEBRAS OF CSTAR-ALGEBRAS [J].
BROWN, LG .
PACIFIC JOURNAL OF MATHEMATICS, 1977, 71 (02) :335-348
[5]   EXTENSIONS OF CSTAR-ALGEBRAS AND K-HOMOLOGY [J].
BROWN, LG ;
DOUGLAS, RG ;
FILLMORE, PA .
ANNALS OF MATHEMATICS, 1977, 105 (02) :265-324
[6]  
BROWN LG, 1973, SPRINGER LECT NOTES, V345, P56
[7]  
DADARLAT M, 1992, J REINE ANGEW MATH, V432, P39
[8]  
DADARLAT M, IN PRESS GEOMETRIC F
[9]  
DADARLAT M, IN PRESS UNIVERSAL M
[10]   On the classification of C*-algebras of real rank zero .2. [J].
Elliott, GA ;
Gong, GH .
ANNALS OF MATHEMATICS, 1996, 144 (03) :497-610