List questions from operator-algebras

Published on 26 Mar 2026 - 9:48

246

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Visualizing projections in type $II_1$ AFD von Neumann algebras

Published on 27 Mar 2026 - 15:07

71

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Ultra product of Banach spaces

Published on 29 Mar 2020 - 18:17

46

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On one property of infimum of two projections

Published on 27 Mar 2026 - 7:18

92

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Question about the GNS representation

Published on 31 Mar 2020 - 20:10

122

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Equivalent definitions of 'strictly positive' in C*-algebra

Published on 03 Apr 2020 - 12:35

37

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Subgroup of $K_0(A)$ generated by projections in $A$, where $A$ is a unital $C^*$-algebra

Published on 25 Mar 2026 - 12:27

239

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A finite-dimensional invariant subspace for the left regular representation implies that the group is finite

Published on 27 Mar 2026 - 3:42

41

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Preservation of meets by a -homomorphism between $C^$-algebras

Published on 06 Apr 2020 - 17:46

163

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Two different C-norms on the same $$-algebra?

Published on 08 Apr 2020 - 9:29

47

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Injective Morphism of Commutative $C^*$-algebras

Published on 09 Apr 2020 - 13:54

177

Views

When are crossed product von Neumann algebras injective?

Published on 27 Mar 2026 - 16:53

300

Views

Non-triviality of "Weak closures of $*$-subalgebras are von Neumann algebras"

Published on 27 Mar 2026 - 18:27

118

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Spectrum of $$- endomorphisms of finite-dimensional $C^$-algebras

Published on 11 Apr 2020 - 13:01

99

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Show a $C^*$-algebra admits an approximate kind of identity.

Published on 11 Apr 2020 - 13:03

List Question

One point compactification of maximal ideal space

Visualizing projections in type $II_1$ AFD von Neumann algebras

Ultra product of Banach spaces

On one property of infimum of two projections

Question about the GNS representation

Equivalent definitions of 'strictly positive' in C*-algebra

Subgroup of $K_0(A)$ generated by projections in $A$, where $A$ is a unital $C^*$-algebra

A finite-dimensional invariant subspace for the left regular representation implies that the group is finite

Preservation of meets by a -homomorphism between $C^$-algebras

Two different C-norms on the same $$-algebra?

Injective Morphism of Commutative $C^*$-algebras

When are crossed product von Neumann algebras injective?

Non-triviality of "Weak closures of $*$-subalgebras are von Neumann algebras"

Spectrum of $$- endomorphisms of finite-dimensional $C^$-algebras

Show a $C^*$-algebra admits an approximate kind of identity.

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