Question

Conditions for the commutator of two operators on a Hilbert space to not be a nonzero scalar operator

score 408 · Answer 1 · 2014-08-15 05:56:25

408

Views

Conditions for the commutator of two operators on a Hilbert space to not be a nonzero scalar operator

Published on 15 Aug 2014 - 5:56

score 460 · Answer 2 · 2026-03-26 20:16:47

460

Views

Role of metric in the matrix representation of Hermitian adjoint

Published on 26 Mar 2026 - 20:16

score 24.3k · Answer 3 · 2014-08-16 14:39:20

24.3k

Views

What is the difference between isometric and unitary operators on a Hilbert space?

Published on 16 Aug 2014 - 14:39

score 517 · Answer 4 · 2026-03-31 20:24:30

517

Views

Does $S^\bot+T^\bot = (S\cap T)^\bot$ hold in infinite-dimensional spaces?

Published on 31 Mar 2026 - 20:24

score 225 · Answer 5 · 2026-03-26 12:37:01

225

Views

If a compact operator satisfies $T^nx\to0$ weakly for all $x$, then $\|T^n\|\to0$

Published on 26 Mar 2026 - 12:37

score 254 · Answer 6 · 2014-08-17 10:39:00

254

Views

Chain of closed subspaces in a Hilbert Space

Published on 17 Aug 2014 - 10:39

score 146 · Answer 7 · 2026-03-31 14:44:24

146

Views

Find a relationship between $\hat f$ and $\hat g$, given $g(x)=\int^{x+1}_x f(t)\,dt$, $f\in L^2(\mathbb R)$,

Published on 31 Mar 2026 - 14:44

score 446 · Answer 8 · 2026-03-31 20:54:09

446

Views

Kernel of the Extension of a Bounded Linear Operator

Published on 31 Mar 2026 - 20:54

score 64 · Answer 9 · 2014-08-22 01:16:56

64

Views

A matrix as eigenvalue?

Published on 22 Aug 2014 - 1:16

score 108 · Answer 10 · 2014-08-22 12:44:29

108

Views

Inequalities with $\|x-y\|$, $|\langle x,y\rangle|$, and $\sqrt{\|x\|^{2}+\|y\|^{2}}$ in a Hilbert space

Published on 22 Aug 2014 - 12:44

score 348 · Answer 11 · 2014-08-22 23:28:13

348

Views

Category of Hilbert Spaces

Published on 22 Aug 2014 - 23:28

score 43 · Answer 12 · 2014-08-23 00:45:14

43

Views

Hilbert subspaces of $B(\mathbb{R}^n)$

Published on 23 Aug 2014 - 0:45

score 447 · Answer 13 · 2026-03-28 04:50:48

447

Views

Commutant of a set of operators and norm topology.

Published on 28 Mar 2026 - 4:50

score 496 · Answer 14 · 2014-08-23 18:47:43

496

Views

Is the distance between disjoint closed convex subsets of a Hilbert space positive? Is it attained?

Published on 23 Aug 2014 - 18:47

score 1.7k · Answer 15 · 2014-08-24 21:51:20

1.7k

Views

Continuous linear image of closed, bounded, and convex set of a Hilbert Space is compact

Published on 24 Aug 2014 - 21:51

List Question

Conditions for the commutator of two operators on a Hilbert space to not be a nonzero scalar operator

Role of metric in the matrix representation of Hermitian adjoint

What is the difference between isometric and unitary operators on a Hilbert space?

Does $S^\bot+T^\bot = (S\cap T)^\bot$ hold in infinite-dimensional spaces?

If a compact operator satisfies $T^nx\to0$ weakly for all $x$, then $\|T^n\|\to0$

Chain of closed subspaces in a Hilbert Space

Find a relationship between $\hat f$ and $\hat g$, given $g(x)=\int^{x+1}_x f(t)\,dt$, $f\in L^2(\mathbb R)$,

Kernel of the Extension of a Bounded Linear Operator

A matrix as eigenvalue?

Inequalities with $\|x-y\|$, $|\langle x,y\rangle|$, and $\sqrt{\|x\|^{2}+\|y\|^{2}}$ in a Hilbert space

Category of Hilbert Spaces

Hilbert subspaces of $B(\mathbb{R}^n)$

Commutant of a set of operators and norm topology.

Is the distance between disjoint closed convex subsets of a Hilbert space positive? Is it attained?

Continuous linear image of closed, bounded, and convex set of a Hilbert Space is compact

Trending Questions

Popular # Hahtags

Popular Questions