List questions from c-star-algebras

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86

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An inequality concerning positive elements in a C* algebra

Published on 10 Apr 2026 - 18:19

75

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Trying to recognise a $C^*$-algebra

Published on 12 Oct 2021 - 10:43

67

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Name for a special element of a *-algebra

Published on 13 Oct 2021 - 18:39

229

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Showing that $C_0 (X)^{+} \cong C_0 (X^{+}).$

Published on 27 Mar 2026 - 15:18

157

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What are the maximal ideals of $C_0 (X),$ where $X$ is a locally compact Hausdorff space?

Published on 11 Apr 2026 - 19:08

212

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Monotone approximation of elements in AF-algebras and $C^*$-algebras

Published on 12 Apr 2026 - 3:53

50

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How to show that $\overline {f}$ is continuous on $\widehat {A} \cup \{\varphi_{0}\}\ $?

Published on 12 Apr 2026 - 2:37

210

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Isos of C*-algebras completely positive and contactive?

Published on 12 Apr 2026 - 10:52

39

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Concerning the weak* closed convex hull of a subset of states of a C*-algebra

Published on 21 Oct 2021 - 23:55

124

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Determining non-zero multiplicative linear functionals on $C_0(X).$

Published on 01 Apr 2026 - 14:06

157

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Why does the image of continuous functional calculus coincide with the holomorphic functional calculus when considering holomorphic functions?

Published on 12 Apr 2026 - 3:53

76

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Trying to understand a proof on representation of $C^*$-algebra

Published on 08 Apr 2026 - 16:40

324

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Is $pq+qp$ ever a projection?

Published on 10 Apr 2026 - 16:21

74

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Two densely defined traces on a $C^*$-algebra coinciding on a dense subalgebra are equal

Published on 03 Apr 2026 - 12:11

List Question

real rank for abelian von Neumann algebra

An inequality concerning positive elements in a C* algebra

Trying to recognise a $C^*$-algebra

Name for a special element of a *-algebra

Showing that $C_0 (X)^{+} \cong C_0 (X^{+}).$

What are the maximal ideals of $C_0 (X),$ where $X$ is a locally compact Hausdorff space?

Monotone approximation of elements in AF-algebras and $C^*$-algebras

How to show that $\overline {f}$ is continuous on $\widehat {A} \cup \{\varphi_{0}\}\ $?

Isos of C*-algebras completely positive and contactive?

Concerning the weak* closed convex hull of a subset of states of a C*-algebra

Determining non-zero multiplicative linear functionals on $C_0(X).$

Why does the image of continuous functional calculus coincide with the holomorphic functional calculus when considering holomorphic functions?

Trying to understand a proof on representation of $C^*$-algebra

Is $pq+qp$ ever a projection?

Two densely defined traces on a $C^*$-algebra coinciding on a dense subalgebra are equal

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