List questions from operator-theory

Published on 20 Apr 2020 - 16:25

47

Views

About bounded finite-rank linear operator

Published on 09 Apr 2026 - 12:54

61

Views

Prove that an operator is bounded

Published on 08 Apr 2026 - 22:51

310

Views

Prove $T$ is a Fredholm operator

Published on 10 Apr 2026 - 4:57

25

Views

$^*$-endomorphisms are completely positive

Published on 10 Apr 2026 - 14:12

23

Views

Equivalent definitions of $C^*$-systems.

Published on 29 Mar 2026 - 13:40

176

Views

Stone formula and joint spectral measures for commuting operators

Published on 25 Mar 2026 - 17:32

690

Views

Why is the ultraweak topology on $B(H)$ called "ultraweak" while it is stronger than the weak topology?

Published on 25 Mar 2026 - 23:38

118

Views

Linearized operator around a solution by conserved quantities

Published on 06 Apr 2026 - 2:57

204

Views

Polar decomposition with a unitary

Published on 13 Apr 2026 - 17:07

693

Views

The resolvent of an operator commutes with it.

Published on 12 Apr 2026 - 13:57

186

Views

Convergence of positivity preserving operators

Published on 12 Apr 2026 - 1:19

70

Views

Markov chains are positive/completely positive...?

Published on 12 Apr 2026 - 23:06

181

Views

Describe the completion of $\mathcal B(X,Y)$.

Published on 03 Apr 2026 - 10:20

144

Views

If $\dim H=\infty$, does there always exist a positive compact operator $T$ with infinite rank and $\|T\|\leq1$?

Published on 27 Mar 2026 - 3:41

List Question

Showing an operator is unbounded by definition

About bounded finite-rank linear operator

Prove that an operator is bounded

Prove $T$ is a Fredholm operator

$^*$-endomorphisms are completely positive

Equivalent definitions of $C^*$-systems.

Stone formula and joint spectral measures for commuting operators

Why is the ultraweak topology on $B(H)$ called "ultraweak" while it is stronger than the weak topology?

Linearized operator around a solution by conserved quantities

Polar decomposition with a unitary

The resolvent of an operator commutes with it.

Convergence of positivity preserving operators

Markov chains are positive/completely positive...?

Describe the completion of $\mathcal B(X,Y)$.

If $\dim H=\infty$, does there always exist a positive compact operator $T$ with infinite rank and $\|T\|\leq1$?

Trending Questions

Popular # Hahtags

Popular Questions