List questions from c-star-algebras

Published on 12 Apr 2026 - 7:16

36

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Polar decomposition of $\phi*$

Published on 13 Apr 2026 - 9:30

33

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General question about von Neumann algebras

Published on 09 Apr 2026 - 0:27

54

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Metrisability of WOT on unit ball of bounded operators on a Hilbert space

Published on 12 Apr 2026 - 6:21

84

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Is the GNS-vector associated to a tracial state cyclic for the commutant?

Published on 23 Jun 2022 - 21:53

76

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Positivity in non-unital $C^*$-algebras

Published on 13 Apr 2026 - 10:24

106

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Weakly convergent sequence of operators on Hilbert space is norm-bounded

Published on 12 Apr 2026 - 20:10

75

Views

Unitary isomorphism between balanced tensor product spaces on $L^2(X)$

Published on 11 Apr 2026 - 13:51

79

Views

In a C*algebra, the set of extreme points of $\bar{B}_{1}$ coincides with the group of unitary elements

Published on 13 Apr 2026 - 10:24

77

Views

Faithfulness of a given operator family on von Neumann tensor product

Published on 12 Apr 2026 - 8:46

50

Views

Can we say that $\|e_i a e_i - a\| \to 0\ $?

Published on 13 Apr 2026 - 10:22

77

Views

Extending a representation of a $C^*$-algebra to its unitization

Published on 28 Feb 2026 - 0:02

55

Views

*-isomorphism between subfactor and $M_n(\mathbb{C})$

Published on 01 Apr 2026 - 2:04

198

Views

well-defined inner product

Published on 11 Apr 2026 - 5:54

102

Views

Pure states in the proof of the Gelfand-Naimark theorem

Published on 11 Apr 2026 - 17:43

List Question

Functions giving self-adjoint elements of the algebra

Polar decomposition of $\phi*$

General question about von Neumann algebras

Metrisability of WOT on unit ball of bounded operators on a Hilbert space

Is the GNS-vector associated to a tracial state cyclic for the commutant?

Positivity in non-unital $C^*$-algebras

Weakly convergent sequence of operators on Hilbert space is norm-bounded

Unitary isomorphism between balanced tensor product spaces on $L^2(X)$

In a C*algebra, the set of extreme points of $\bar{B}_{1}$ coincides with the group of unitary elements

Faithfulness of a given operator family on von Neumann tensor product

Can we say that $\|e_i a e_i - a\| \to 0\ $?

Extending a representation of a $C^*$-algebra to its unitization

*-isomorphism between subfactor and $M_n(\mathbb{C})$

well-defined inner product

Pure states in the proof of the Gelfand-Naimark theorem

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