List questions from operator-theory

Published on 10 Apr 2026 - 21:43

273

Views

strong operator topology and $L_2$ norm

Published on 13 Apr 2026 - 8:54

170

Views

sufficient conditions for an operator on a Banach space to be a dual operator?

Published on 09 Apr 2026 - 12:32

917

Views

Simultaneous diagonalization compact operators

Published on 11 Apr 2026 - 18:03

101

Views

A complicated OPERATOR equation

Published on 26 Mar 2026 - 6:17

92

Views

Convergence to identity of "Feynman-Kac" operator

Published on 08 Apr 2026 - 23:44

144

Views

Behaviour of certain integral with respect to complex parameter

Published on 09 Apr 2026 - 4:20

165

Views

If $(\mathcal D(A),A)$ is a linear operator on a Hilbert space and $\alpha\ge0$, then $\mathcal D(A^{-\alpha})=\mathcal D(A^{\alpha})'$

Published on 11 Apr 2026 - 0:11

107

Views

Polar ‎decomposition ‎of ‎$ ‎T‎$

Published on 13 Apr 2026 - 16:41

48

Views

normal and compact operator

Published on 12 Apr 2026 - 18:26

326

Views

$\lambda\in\sigma(A)\Leftrightarrow P_{(\lambda-\epsilon,\lambda+\epsilon)}\neq 0\;\forall \epsilon>0$

Published on 16 Apr 2026 - 9:18

1.1k

Views

What is a central projection?

Published on 08 Apr 2026 - 21:29

42

Views

usc multivalued operator

Published on 28 Mar 2026 - 2:55

42

Views

$\alpha \in L(L^p, L^{2p})\; \Rightarrow\; \alpha \in L(L^{2p}, L^{4p}), \, p \in [1,\infty)?$

Published on 25 Mar 2026 - 4:43

273

Views

Matrix inequality with square-root matrix

Published on 12 Apr 2026 - 15:29

List Question

Is the definition of continuity of a sesquilinear form I've found in a book broken?

strong operator topology and $L_2$ norm

sufficient conditions for an operator on a Banach space to be a dual operator?

Simultaneous diagonalization compact operators

A complicated OPERATOR equation

Convergence to identity of "Feynman-Kac" operator

Behaviour of certain integral with respect to complex parameter

If $(\mathcal D(A),A)$ is a linear operator on a Hilbert space and $\alpha\ge0$, then $\mathcal D(A^{-\alpha})=\mathcal D(A^{\alpha})'$

Polar ‎decomposition ‎of ‎$ ‎T‎$

normal and compact operator

$\lambda\in\sigma(A)\Leftrightarrow P_{(\lambda-\epsilon,\lambda+\epsilon)}\neq 0\;\forall \epsilon>0$

What is a central projection?

usc multivalued operator

$\alpha \in L(L^p, L^{2p})\; \Rightarrow\; \alpha \in L(L^{2p}, L^{4p}), \, p \in [1,\infty)?$

Matrix inequality with square-root matrix

Trending Questions

Popular # Hahtags

Popular Questions