List questions from c-star-algebras

Published on 28 Mar 2026 - 19:30

484

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Non-closed ideals in $C^*$-algebras

Published on 03 Apr 2026 - 10:09

73

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Irreducible representations of $C(T,B(X))$

Published on 23 Feb 2015 - 13:42

659

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Existence of idempotents versus existence of projections in a C*-algebra

Published on 02 Apr 2026 - 16:31

140

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If $A$ is an abelian C*-algebra, and $\tau$ is pure then it is a character on $A$

Published on 24 Feb 2015 - 7:26

79

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Positive element of a C*-algebra

Published on 25 Feb 2015 - 13:54

461

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Finite dimensional C*-algebra

Published on 26 Feb 2015 - 7:27

380

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Gelfand duality restricted to the category of Stone spaces

Published on 26 Mar 2026 - 4:14

136

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positive part of an element of C* algebra

Published on 25 Mar 2026 - 14:34

252

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Tensor product of $C^*$- algebras

Published on 03 Apr 2026 - 10:18

105

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Herz-Schur multiplier bounded if corresponding functional is bounded

Published on 03 Apr 2026 - 10:18

169

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Counterexample for an isometric homomorphism of algebras which is not involutive.

Published on 03 Apr 2026 - 10:13

374

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Questions about the Kaplansky density theorem

Published on 28 Mar 2026 - 22:35

340

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Why the self-adjointness condition for positivity of an element of a C*-algebra?

Published on 14 Mar 2015 - 22:17

85

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Does every Hausdorff Compact space admits a (Radon) measure with full support?

Published on 20 Mar 2015 - 11:55

List Question

Approximate Identities

Non-closed ideals in $C^*$-algebras

Irreducible representations of $C(T,B(X))$

Existence of idempotents versus existence of projections in a C*-algebra

If $A$ is an abelian C*-algebra, and $\tau$ is pure then it is a character on $A$

Positive element of a C*-algebra

Finite dimensional C*-algebra

Gelfand duality restricted to the category of Stone spaces

positive part of an element of C* algebra

Tensor product of $C^*$- algebras

Herz-Schur multiplier bounded if corresponding functional is bounded

Counterexample for an isometric homomorphism of algebras which is not involutive.

Questions about the Kaplansky density theorem

Why the self-adjointness condition for positivity of an element of a C*-algebra?

Does every Hausdorff Compact space admits a (Radon) measure with full support?

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