List questions from operator-algebras

Published on 28 Feb 2026 - 0:02

109

Views

find a normal state on $B(H)$

Published on 01 Apr 2026 - 2:05

113

Views

Ultraweak continuity implies norm continuity?

Published on 13 Apr 2026 - 1:09

41

Views

essential numerical range of a self-adjoint operator

Published on 09 Apr 2026 - 6:48

39

Views

Topology retraction and weak expectation property

Published on 12 Apr 2026 - 18:45

51

Views

Normal operator proof - is $TT = T^T^$ says T is normal operator?

Published on 12 Apr 2026 - 11:23

89

Views

A generalization of projection matrices in linear algebra

Published on 12 Apr 2026 - 17:26

134

Views

Is a right inverse of a element in a unital banach algebra also a left inverse?

Published on 23 Jul 2022 - 9:09

182

Views

$C^*$-algebra generated by the set

Published on 27 Jul 2022 - 9:34

109

Views

Is the stabilization of a simple $C^*$-algebra simple?

Published on 13 Apr 2026 - 8:17

66

Views

Is $\mathbb{B}(H) \bigotimes \mathbb{B}(H)$ never equal to $\mathbb{B}(H\bigotimes H)$

Published on 12 Apr 2026 - 8:02

118

Views

An example which disproves $\|p(T)\|_{op} = \|p\|_\sup$ in arbitrary Banach spaces (Gelfand theory).

Published on 09 Apr 2026 - 11:23

175

Views

How does one construct the concrete Heisenberg vertex operator algebra for the case of 3d Heisenberg group and associated lie algebra?

Published on 11 Apr 2026 - 22:49

80

Views

Not-normal state on von Neumann algebra and finding a corner on which it is still faithful?

Published on 13 Apr 2026 - 5:46

160

Views

What does $Y(1,z)$ = id for vertex algebras mean?

Published on 11 Apr 2026 - 22:48

List Question

Extending a representation of a $C^*$-algebra to its unitization

find a normal state on $B(H)$

Ultraweak continuity implies norm continuity?

essential numerical range of a self-adjoint operator

Topology retraction and weak expectation property

Normal operator proof - is $TT = T^T^$ says T is normal operator?

A generalization of projection matrices in linear algebra

Is a right inverse of a element in a unital banach algebra also a left inverse?

$C^*$-algebra generated by the set

Is the stabilization of a simple $C^*$-algebra simple?

Is $\mathbb{B}(H) \bigotimes \mathbb{B}(H)$ never equal to $\mathbb{B}(H\bigotimes H)$

An example which disproves $\|p(T)\|_{op} = \|p\|_\sup$ in arbitrary Banach spaces (Gelfand theory).

How does one construct the concrete Heisenberg vertex operator algebra for the case of 3d Heisenberg group and associated lie algebra?

Not-normal state on von Neumann algebra and finding a corner on which it is still faithful?

What does $Y(1,z)$ = id for vertex algebras mean?

Trending Questions

Popular # Hahtags

Popular Questions