Fundamental group of simple C^*-algebras with unique trace II
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概要
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We show that any countable subgroup of the multiplicative group R^×_+ of positive real numbers can be realized as the fundamental group F(A) of a separable simple unital C^*-algebra A with unique trace. Furthermore for any fixed countable subgroup G of R^×_+, there exist uncountably many mutually nonisomorphic such algebras A with G = F(A).
- Elsevierの論文
- 2011-01-15
Elsevier | 論文
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