Harmonic cochains and K-theory for (A) Over tilde2-groups

被引：0
作者：
Robertson, Guyan [1 ]
机构：
[1] Univ Newcastle, Sch Math & Stat, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England
来源：
GROUPS GEOMETRY AND DYNAMICS | 2014年 / 8卷 / 01期
关键词：
Euclidean building; boundary; operator algebra; AFFINE BUILDINGS; BOUNDARY; COHOMOLOGY; ALGEBRAS;
D O I：
10.4171/GGD/224
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
If Gamma is a torsion free (A) Over tilde(2)- group acting on an (A) Over tilde(2) building Delta, and U-Gamma is the associated boundary C*-algebra, it is proved that K-0(U-Gamma) circle times R congruent to R-2 beta 2, where. beta(2) = dim(R) H-2(Gamma, R).
引用
收藏
页码：245 / 255
页数：11
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