List questions from c-star-algebras

Published on 12 Oct 2014 - 13:01

96

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A question about orthogonal projection

Published on 12 Oct 2014 - 18:21

88

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Some doubts concerning spectral theory.

Published on 27 Mar 2026 - 9:58

453

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Nondegenerate representation

Published on 15 Oct 2014 - 5:39

117

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An exercise (about positive elements) in C*-algebra

Published on 15 Oct 2014 - 14:44

343

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Positive elements in a Banach algebra

Published on 27 Mar 2026 - 1:13

251

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Approximate unit of an involutive Banach algebra

Published on 27 Mar 2026 - 4:38

226

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Positive linear functional on an involutive Banach algebra

Published on 27 Mar 2026 - 4:34

288

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spectral projection of an element in a C*-algebra

Published on 27 Mar 2026 - 4:34

69

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Is $C(\Omega)$ a C*-algebra if $\Omega$ is not locally compact, nor compact?

Published on 27 Mar 2026 - 4:38

352

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The set of analytic functions on unit circle is not a C*-algebra

Published on 27 Mar 2026 - 1:12

97

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Natural *-isomorphism

Published on 27 Mar 2026 - 1:13

610

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Image of $C^\ast$-algebra is closed?

Published on 19 Oct 2014 - 5:28

84

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Applying Stone Weierstrass to this isometry of $C^\ast$-algebra

Published on 19 Oct 2014 - 5:32

53

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On closedness of $C^\ast$ subalgebras

Published on 19 Oct 2014 - 11:28

List Question

A question about a conditional expectation in C*-algebra

A question about orthogonal projection

Some doubts concerning spectral theory.

Nondegenerate representation

An exercise (about positive elements) in C*-algebra

Positive elements in a Banach algebra

Approximate unit of an involutive Banach algebra

Positive linear functional on an involutive Banach algebra

spectral projection of an element in a C*-algebra

Is $C(\Omega)$ a C*-algebra if $\Omega$ is not locally compact, nor compact?

The set of analytic functions on unit circle is not a C*-algebra

Natural *-isomorphism

Image of $C^\ast$-algebra is closed?

Applying Stone Weierstrass to this isometry of $C^\ast$-algebra

On closedness of $C^\ast$ subalgebras

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