List questions from operator-algebras

Published on 09 Apr 2026 - 0:25

228

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If $pqp = p$ and $qpq=q$, is it true that $p=q?$

Published on 30 Jan 2022 - 19:11

141

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Almost periodicity and approximation in tracial von Neumann algebra.

Published on 11 Apr 2026 - 7:24

131

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Haagerup tensor product of $C^{\ast}$-algebras

Published on 12 Apr 2026 - 5:03

87

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An inequality based on inclusion of hereditary $C^*$-subalgebras

Published on 08 Apr 2026 - 19:06

51

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Element of Norm $1$ in Takesaki Theorem 10.2

Published on 01 Apr 2026 - 17:27

90

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How do I show these two projections belong to different $K_0$ equivalence classes?

Published on 12 Apr 2026 - 10:08

394

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$\sigma$-finite projection von Neumann algebra

Published on 11 Apr 2026 - 18:02

67

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Let $\mathcal{A}$ be a $C^$-algebra, $I$ a left maximal ideal, then there is a pure state $\rho_I$ s.t. $I = \{x \in \mathcal{A}: \rho_I(x^x)=0\}$

Published on 11 Apr 2026 - 18:35

39

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Does a Bratelli diagram have to label the dimension of its nodes?

Published on 11 Apr 2026 - 22:17

109

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Norm matrix over C*algebras

Published on 12 Apr 2026 - 8:16

71

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An identity for holomorphic functional calculus

Published on 09 Apr 2026 - 22:43

67

Views

Showing that ker$(x)=$ker$(|x|)$

Published on 09 Feb 2022 - 19:17

37

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The genera linear group in Normed algebras

Published on 12 Apr 2026 - 4:19

81

Views

Spectrum of Hermitian Element Proof

Published on 10 Feb 2022 - 22:09

List Question

Spectrum of Finite Ascent operator?

If $pqp = p$ and $qpq=q$, is it true that $p=q?$

Almost periodicity and approximation in tracial von Neumann algebra.

Haagerup tensor product of $C^{\ast}$-algebras

An inequality based on inclusion of hereditary $C^*$-subalgebras

Element of Norm $1$ in Takesaki Theorem 10.2

How do I show these two projections belong to different $K_0$ equivalence classes?

$\sigma$-finite projection von Neumann algebra

Let $\mathcal{A}$ be a $C^$-algebra, $I$ a left maximal ideal, then there is a pure state $\rho_I$ s.t. $I = \{x \in \mathcal{A}: \rho_I(x^x)=0\}$

Does a Bratelli diagram have to label the dimension of its nodes?

Norm matrix over C*algebras

An identity for holomorphic functional calculus

Showing that ker$(x)=$ker$(|x|)$

The genera linear group in Normed algebras

Spectrum of Hermitian Element Proof

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