The cohomology and K-theory of commuting hemeomorphisms of the Cantor set

被引:27
作者
Forrest, A [1 ]
Hunton, J
机构
[1] NTNU, Dept Math & Stat, N-7034 Trondheim, Norway
[2] Univ Leicester, Dept Math & Comp Sci, Leicester LE1 7RH, Leics, England
关键词
D O I
10.1017/S0143385799130189
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
Given a Z(d) homeomorphic action, cu, on the Canter set, X, we consider the higher order continuous integer valued dynamical cohomology, H*(X, alpha). We also consider the dynamical K-theory of the action, the K-theory of the crossed product C*-algebra C(X) x(alpha) Z(d). We show that these two invariants are essentially equivalent. We also show that they only take torsion free values. Our work links the two invariants via a third invariant which is based on topological complex K-theory evaluated an an associated mapping torus.
引用
收藏
页码:611 / 625
页数:15
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