List questions from c-star-algebras

Published on 03 Dec 2019 - 22:50

120

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-homomorphism between C-algebras

Published on 04 Dec 2019 - 2:35

44

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Banach space decomposition

Published on 25 Mar 2026 - 7:46

104

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existence of inductive limit of the inductive sequence of $C^*$-algebras

Published on 08 Dec 2019 - 0:40

151

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inductive limit of inreasing sequence of $C^*$-algebras

Published on 08 Dec 2019 - 12:18

72

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the closure of union of $C^*$-algebras

Published on 08 Dec 2019 - 18:49

160

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Question about abelian C*-algebras and the corresponding Gelfand transform: $C_{0}(\Sigma)$ or $C(\Sigma)$.

Published on 23 Feb 2026 - 1:05

95

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limit of invertible elements in $C^*$-algebra

Published on 11 Dec 2019 - 15:47

64

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lifts of positive element

Published on 12 Dec 2019 - 20:04

39

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Is $h^{-1}(C)$ a C-algebra if $h\colon A\to B$ is a $\ast$-homomorphism between C-algebras and $C\subset B$ is a C*-subalgebra?

Published on 14 Dec 2019 - 16:30

178

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Do all (finite) group ring projections come from subgroups?

Published on 16 Dec 2019 - 15:17

53

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I need to find two matrices $A,B$ in $M_{2}(\mathbb{C})$ such that ...

Published on 16 Dec 2019 - 16:10

96

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Unitization of stable $C^*$ algebras

Published on 17 Dec 2019 - 11:22

43

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From separable C-algebra $\mathcal{A}$ a -representation into $B(l_2)$

Published on 18 Dec 2019 - 22:41

70

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The two projections in an $ C^*$ algebra

Published on 20 Dec 2019 - 6:45

List Question

A state of a C* algebra which preserves square of a self adjoint element

-homomorphism between C-algebras

Banach space decomposition

existence of inductive limit of the inductive sequence of $C^*$-algebras

inductive limit of inreasing sequence of $C^*$-algebras

the closure of union of $C^*$-algebras

Question about abelian C*-algebras and the corresponding Gelfand transform: $C_{0}(\Sigma)$ or $C(\Sigma)$.

limit of invertible elements in $C^*$-algebra

lifts of positive element

Is $h^{-1}(C)$ a C-algebra if $h\colon A\to B$ is a $\ast$-homomorphism between C-algebras and $C\subset B$ is a C*-subalgebra?

Do all (finite) group ring projections come from subgroups?

I need to find two matrices $A,B$ in $M_{2}(\mathbb{C})$ such that ...

Unitization of stable $C^*$ algebras

From separable C-algebra $\mathcal{A}$ a -representation into $B(l_2)$

The two projections in an $ C^*$ algebra

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