List questions from operator-algebras

Published on 29 Mar 2026 - 15:16

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Crossed Products of the form $A \rtimes_{\alpha} \mathbb{Z}_n$

Published on 06 Apr 2026 - 21:55

539

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Central support projection and support projection

Published on 30 Mar 2026 - 4:17

43

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Relation between the maximal ideals of $A(\mathbb{D})$ and $H^{\infty}(\mathbb{D})$

Published on 20 Aug 2017 - 6:50

238

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Let $A$ be a $C^$-algebra, and $S,T\in A$ be normal. If $ST=TS$, then must $S^T=TS^*$?

Published on 26 Mar 2026 - 6:22

431

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Increasing continuous function preserves inequality for elements of $C^*$-algebra

Published on 06 Apr 2026 - 21:51

144

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Is $A$ a hereditary subalgebra of $A\otimes\mathcal{K}$

Published on 06 Apr 2026 - 21:57

131

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Numerical range of subdirect sum (overlapping block matrices)

Published on 05 Sep 2017 - 14:45

78

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Atomic projection in $W^*$-algebra

Published on 30 Mar 2026 - 4:17

248

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faithful state on commutative AW$^*$-algebras

Published on 30 Mar 2026 - 4:19

43

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Proving an inequality about hermitian matrices

Published on 11 Sep 2017 - 14:04

66

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Some particular paths with strong operator topology taste

Published on 06 Apr 2026 - 21:52

184

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Any reference concerning factorization of partial isometries in $B(H)$

Published on 26 Mar 2026 - 14:19

100

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Subprojection in von Neumann algebras satisfying an inequality for functionals

Published on 30 Mar 2026 - 4:19

3.3k

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When are the eigenvectors of an Hermitian matrix real?

Published on 14 Sep 2017 - 10:16

List Question

sequence of projections tending to a projection in semifinite von Neumann algebra

Crossed Products of the form $A \rtimes_{\alpha} \mathbb{Z}_n$

Central support projection and support projection

Relation between the maximal ideals of $A(\mathbb{D})$ and $H^{\infty}(\mathbb{D})$

Let $A$ be a $C^$-algebra, and $S,T\in A$ be normal. If $ST=TS$, then must $S^T=TS^*$?

Increasing continuous function preserves inequality for elements of $C^*$-algebra

Is $A$ a hereditary subalgebra of $A\otimes\mathcal{K}$

Numerical range of subdirect sum (overlapping block matrices)

Atomic projection in $W^*$-algebra

faithful state on commutative AW$^*$-algebras

Proving an inequality about hermitian matrices

Some particular paths with strong operator topology taste

Any reference concerning factorization of partial isometries in $B(H)$

Subprojection in von Neumann algebras satisfying an inequality for functionals

When are the eigenvectors of an Hermitian matrix real?

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