List questions from operator-algebras

Published on 08 Jan 2020 - 11:55

82

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Identification of $M_n(\tilde{SA})$,where $\tilde{SA} $ is the unitalization of suspension $C^*$-algebra

Published on 25 Mar 2026 - 4:42

68

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Trying to prove a subset is ideal of a $C^{\ast}$-algebra.

Published on 12 Jan 2020 - 0:52

95

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tensor product of $C^*$-algebras.

Published on 15 Jan 2020 - 14:35

223

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Numerical radius of $2 \times 2$ complex matrix

Published on 25 Mar 2026 - 14:20

72

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Algebraic tensor product of $\mathcal{A} \otimes \mathcal{H}$

Published on 23 Jan 2020 - 11:10

44

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Positive Elements and Inequalities in a $C^*$-algebra

Published on 05 Feb 2020 - 15:08

636

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Invertibility of Positive Elements in a $C^*$-algebra

Published on 07 Feb 2020 - 14:27

51

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What is the definition of non-degenerate $C^*$-subalgebras

Published on 09 Feb 2020 - 5:23

186

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Intersection of Two Boundaries in a Commutative Banach Algebra

Published on 27 Mar 2026 - 11:24

43

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Characterizing spectral radius using invertible elements in unital $C^*$ algebra

Published on 14 Feb 2020 - 4:20

43

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Invariance of numerical radius

Published on 25 Mar 2026 - 17:37

87

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Two definitions of strict topology

Published on 18 Feb 2020 - 1:25

100

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Invertibility of Hermitian Square

Published on 19 Feb 2020 - 14:57

45

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An example of unbounded isometry

Published on 21 Feb 2020 - 13:37

List Question

representation of $M_n(\mathcal{A})$ into $M_n(B(\mathcal{H})$ is closed

Identification of $M_n(\tilde{SA})$,where $\tilde{SA} $ is the unitalization of suspension $C^*$-algebra

Trying to prove a subset is ideal of a $C^{\ast}$-algebra.

tensor product of $C^*$-algebras.

Numerical radius of $2 \times 2$ complex matrix

Algebraic tensor product of $\mathcal{A} \otimes \mathcal{H}$

Positive Elements and Inequalities in a $C^*$-algebra

Invertibility of Positive Elements in a $C^*$-algebra

What is the definition of non-degenerate $C^*$-subalgebras

Intersection of Two Boundaries in a Commutative Banach Algebra

Characterizing spectral radius using invertible elements in unital $C^*$ algebra

Invariance of numerical radius

Two definitions of strict topology

Invertibility of Hermitian Square

An example of unbounded isometry

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