List questions from c-star-algebras

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When is the group $C^*$-algebra of a locally compact group an AF-algebra?

Published on 08 Apr 2026 - 9:31

84

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Finite-dimensional C*-algebra quotient

Published on 11 Apr 2026 - 20:41

121

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Theorem 8.3 in Paulsen's 'Completely bounded maps and operator algebras".

Published on 30 Mar 2026 - 7:55

124

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Minimal tensor product of $B(H)$

Published on 11 Apr 2026 - 20:11

207

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Analytic K-Homology (Higson, Roe) - Exercise 8.8.8

Published on 29 Mar 2026 - 13:27

45

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A question on $C^*$ algebra

Published on 10 Apr 2026 - 12:47

113

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Commutant of $C_0(X)$ inside $\ell^2(X)$.

Published on 30 Jul 2021 - 12:27

59

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If the left-regular representation is restricted to a closed subgroup, is it weakly equivalent to the left-regular representation of that subgroup?

Published on 11 Apr 2026 - 18:50

133

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Identifying the multiplier algebra of $C_0(X).$

Published on 30 Jul 2021 - 15:32

81

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Continuity of a group homomorphism $\beta\colon G\to\text{Aut}(C_{0}(X))$.

Published on 01 Apr 2026 - 7:19

50

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Continuity(?) of a linear map $\alpha: H \to B(H)$ satisfying canonical anti-commutation relations

Published on 11 Apr 2026 - 22:09

130

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Does tensor product of C* and Banach -algebras preserve injectivity of $$-homomorphism?

Published on 11 Apr 2026 - 22:05

60

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Tensor product with a dense Frechet subalgebra of the compact operators

Published on 11 Apr 2026 - 17:16

56

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Why does a $C^{*}$-algebra with identity have no two-sided ideals at all?

Published on 10 Aug 2021 - 22:01

List Question

Continuous functional calculus (Composition)

When is the group $C^*$-algebra of a locally compact group an AF-algebra?

Finite-dimensional C*-algebra quotient

Theorem 8.3 in Paulsen's 'Completely bounded maps and operator algebras".

Minimal tensor product of $B(H)$

Analytic K-Homology (Higson, Roe) - Exercise 8.8.8

A question on $C^*$ algebra

Commutant of $C_0(X)$ inside $\ell^2(X)$.

If the left-regular representation is restricted to a closed subgroup, is it weakly equivalent to the left-regular representation of that subgroup?

Identifying the multiplier algebra of $C_0(X).$

Continuity of a group homomorphism $\beta\colon G\to\text{Aut}(C_{0}(X))$.

Continuity(?) of a linear map $\alpha: H \to B(H)$ satisfying canonical anti-commutation relations

Does tensor product of C* and Banach -algebras preserve injectivity of $$-homomorphism?

Tensor product with a dense Frechet subalgebra of the compact operators

Why does a $C^{*}$-algebra with identity have no two-sided ideals at all?

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