List questions from c-star-algebras

Published on 20 Mar 2026 - 13:55

47

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When is the Representation given by the Multiplication Operator Injective?

Published on 08 Jun 2023 - 7:25

96

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When is $\{(g f_1, g f_2) \mid g \in C(X)\}$ dense in $L^2(\mu) \oplus L^2(\nu)$ where $\mu \perp \nu$ and $(f_1, f_2)\in L^2(\mu) \oplus L^2(\nu)$

Published on 08 Jun 2023 - 14:44

67

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calculate $K_0(C(Z_n))$ and $K_1(C(Z_n)$)

Published on 25 Mar 2026 - 21:48

80

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$\|\tau\|=trace(|B|)$

Published on 02 Apr 2026 - 6:58

101

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Properties of reducible representations

Published on 25 Mar 2026 - 17:43

40

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Conditional expectation from $\mathcal{A}\rtimes_r\Gamma$ onto $\mathcal{A}\rtimes_r H$

Published on 02 Apr 2026 - 9:24

191

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An 'infinitely conditioned' state in a C*-algebra?

Published on 28 Mar 2026 - 7:51

104

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Halperin Projection Convergence vs Tensor Product

Published on 28 Mar 2026 - 7:57

36

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Imai - Takai duality for reduced crossed products?

Published on 27 Mar 2026 - 11:47

15

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Morita Equivalence and Imprimitivity 'sub-bimodules'

Published on 05 Mar 2026 - 11:10

27

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Structure space of the continuous functions on $X$ is homeomorphic to $X$

Published on 22 Jun 2023 - 15:14

38

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The image of a $C^*$-algebra is closed under an isometry

Published on 27 Mar 2026 - 17:04

97

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Can the Stinespring Dilation Theorem extend to unbounded operators?

Published on 25 Mar 2026 - 18:47

66

Views

Topology on a $II_1$-factor is induced by the $\|.\|_2$-norm

Published on 28 Mar 2026 - 10:16

List Question

Inclusion of G-Hilbert spaces induce homotopy equivalence after stabilization?

When is the Representation given by the Multiplication Operator Injective?

When is $\{(g f_1, g f_2) \mid g \in C(X)\}$ dense in $L^2(\mu) \oplus L^2(\nu)$ where $\mu \perp \nu$ and $(f_1, f_2)\in L^2(\mu) \oplus L^2(\nu)$

calculate $K_0(C(Z_n))$ and $K_1(C(Z_n)$)

$\|\tau\|=trace(|B|)$

Properties of reducible representations

Conditional expectation from $\mathcal{A}\rtimes_r\Gamma$ onto $\mathcal{A}\rtimes_r H$

An 'infinitely conditioned' state in a C*-algebra?

Halperin Projection Convergence vs Tensor Product

Imai - Takai duality for reduced crossed products?

Morita Equivalence and Imprimitivity 'sub-bimodules'

Structure space of the continuous functions on $X$ is homeomorphic to $X$

The image of a $C^*$-algebra is closed under an isometry

Can the Stinespring Dilation Theorem extend to unbounded operators?

Topology on a $II_1$-factor is induced by the $\|.\|_2$-norm

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