List questions from c-star-algebras

Published on 25 Apr 2026 - 0:41

129

Views

Closeness of points in the irreducible decomposition of a C$^{*}$-algebra representation

Published on 16 Apr 2026 - 15:11

165

Views

A precise definition of contractible Banach algebras.

Published on 10 May 2026 - 15:02

151

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Is $(u_\lambda^2)$ also an approximate unit when $(u_\lambda) $ is an approximate unit?

Published on 10 May 2026 - 14:27

139

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Non trivial section of the Bott bundle

Published on 10 May 2026 - 15:50

76

Views

If $A$ is a subalgebra of $M_n(\mathbb{C})$, the $C^*$ modules of $A$ are semisimple

Published on 14 Apr 2026 - 14:22

660

Views

GNS construction and separability.

Published on 10 May 2026 - 13:22

292

Views

For which Banach space tensor products is the multiplication in a C*-algebra a linear map?

Published on 15 Apr 2026 - 21:19

217

Views

Doubt regarding Serre-Swan theorem and Hilbert modules

Published on 10 May 2026 - 23:49

60

Views

Generators of $K_0(C(\mathbb{C}P^1))$

Published on 10 May 2026 - 12:53

547

Views

On Inequivalent Representations

Published on 10 May 2026 - 12:50

179

Views

unitisation of $C^*\!$-algebra $A$

Published on 07 Apr 2026 - 17:47

150

Views

In the construction of the free product of C*-algebras, is the seminorm from which we quotient actually a norm?

Published on 10 May 2026 - 13:28

234

Views

left hull-kernel topology

Published on 10 May 2026 - 13:45

302

Views

C$^{*}$-algebra acting irreducibly on the finite-dimensional space $\mathbb{C}^{n}$ must be $M_{n}(\mathbb{C})$

Published on 14 Apr 2026 - 22:32

List Question

Projections in the Cuntz algebra which have the same $K_0$ class

Closeness of points in the irreducible decomposition of a C$^{*}$-algebra representation

A precise definition of contractible Banach algebras.

Is $(u_\lambda^2)$ also an approximate unit when $(u_\lambda) $ is an approximate unit?

Non trivial section of the Bott bundle

If $A$ is a subalgebra of $M_n(\mathbb{C})$, the $C^*$ modules of $A$ are semisimple

GNS construction and separability.

For which Banach space tensor products is the multiplication in a C*-algebra a linear map?

Doubt regarding Serre-Swan theorem and Hilbert modules

Generators of $K_0(C(\mathbb{C}P^1))$

On Inequivalent Representations

unitisation of $C^*\!$-algebra $A$

In the construction of the free product of C*-algebras, is the seminorm from which we quotient actually a norm?

left hull-kernel topology

C$^{*}$-algebra acting irreducibly on the finite-dimensional space $\mathbb{C}^{n}$ must be $M_{n}(\mathbb{C})$

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