NONCOMMUTATIVE SPHERES .3. IRRATIONAL ROTATIONS

被引:45
|
作者
BRATTELI, O
KISHIMOTO, A
机构
[1] UNIV TRONDHEIM,INST MATH,N-7034 TRONDHEIM,NORWAY
[2] HOKKAIDO UNIV,DEPT MATH,SAPPORO,HOKKAIDO 060,JAPAN
关键词
D O I
10.1007/BF02097244
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Let A(theta) be the irrational rotation algebra, i. e. the C*-algebra generated by two unitaries U, V satisfying VU = e2-pi-i-theta UV, with theta-irrational, and consider the fixed point subalgebra B(theta) under the flip automorphism U --> U-1, V --> V-1. We prove that B(theta) is an AF-algebra.
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页码:605 / 624
页数:20
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