List questions from operator-algebras

Published on 12 Feb 2019 - 2:29

68

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Is a linear functional which is positive on linearly generating set of projections positive?

Published on 12 Feb 2019 - 23:05

104

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Two $C^*$-algebras with the same multiplier algebra

Published on 13 Feb 2019 - 19:38

35

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Is a linear functional which is positive on a linearly generating complemented lattice of projections necessarily positive?

Published on 14 Feb 2019 - 1:05

206

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On spectral multiplicity of left shift operators

Published on 26 Mar 2026 - 13:30

95

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Finding normal operator matrix from characteristic polynomial

Published on 14 Feb 2019 - 18:13

227

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Why Koopman operator is defined on $L^\infty$ space?

Published on 16 Feb 2019 - 22:34

217

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commutator of $C^*$ algebra

Published on 19 Feb 2019 - 18:00

57

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Density of $\mathcal{L}^2(\mathbb{R})^+\cap\mathcal{L}^{\infty}(\mathbb{R})^+$ in $\mathcal{L}^{\infty}(\mathbb{R})^+$

Published on 26 Mar 2026 - 13:30

206

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The CAR algebra is simple and nuclear

Published on 20 Feb 2019 - 15:38

267

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Functional calculus of several variables

Published on 23 Feb 2026 - 1:03

85

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Is the inverse of a finite-propagation operator finite-propagation?

Published on 24 Feb 2019 - 18:15

86

Views

Unital and commutative of a subset of a Banach algebra

Published on 25 Feb 2019 - 19:15

44

Views

action of $C^*$ algebras

Published on 28 Feb 2019 - 15:35

76

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Graded $C^*$ algebra homomorphism

Published on 22 Mar 2026 - 21:01

List Question

Density of the orbit of a pure state.

Is a linear functional which is positive on linearly generating set of projections positive?

Two $C^*$-algebras with the same multiplier algebra

Is a linear functional which is positive on a linearly generating complemented lattice of projections necessarily positive?

On spectral multiplicity of left shift operators

Finding normal operator matrix from characteristic polynomial

Why Koopman operator is defined on $L^\infty$ space?

commutator of $C^*$ algebra

Density of $\mathcal{L}^2(\mathbb{R})^+\cap\mathcal{L}^{\infty}(\mathbb{R})^+$ in $\mathcal{L}^{\infty}(\mathbb{R})^+$

The CAR algebra is simple and nuclear

Functional calculus of several variables

Is the inverse of a finite-propagation operator finite-propagation?

Unital and commutative of a subset of a Banach algebra

action of $C^*$ algebras

Graded $C^*$ algebra homomorphism

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