List questions from operator-theory

Published on 16 Apr 2026 - 23:06

149

Views

canonical bases for compact operators

Published on 13 Apr 2026 - 19:18

336

Views

properties of the resolvent

Published on 09 Apr 2026 - 15:19

66

Views

If $Q$ is a operator on a Hilbert space $U$ and $U_0=Q^{1/2}U$, then $L$ and $LQ^{1/2}$ have the same HS norm, for all operators $L$ from $U_0$ to $H$

Published on 15 Apr 2026 - 20:13

61

Views

Hilbert space and a subspace

Published on 16 Apr 2026 - 9:33

276

Views

Non-empty point spectrum of an operator which commutes with a non-quasinilpotent compact operator

Published on 13 Apr 2026 - 2:57

299

Views

The operator inequality $|AB| \leq \|A\| |B|$

Published on 13 Apr 2026 - 17:14

146

Views

Proving Map on Sequence Space Is Unbounded Operator

Published on 11 Apr 2026 - 21:32

55

Views

An estimate for a given sequence

Published on 14 Apr 2026 - 7:43

7.9k

Views

Is the Laplace transform a linear operator?

Published on 09 Apr 2026 - 14:05

107

Views

Is $Tf=\int_0^1\alpha (x)f(x)dx$ a compact operator?

Published on 13 Apr 2026 - 6:31

1k

Views

convergence of linear operator $Tx_n\rightarrow f$

Published on 15 Apr 2026 - 15:06

34

Views

How to show that a sequence in $L^2(-R,R)$ satisfy a certain condition

Published on 15 Apr 2026 - 9:56

198

Views

Can I move the test function into the inner commutators and skip the operator on the outside?

Published on 07 Apr 2026 - 23:52

193

Views

Find the spectrum of a given operator.

Published on 10 Apr 2026 - 23:13

List Question

Approximating the spectrum of a non-normal, non-local differential operator

canonical bases for compact operators

properties of the resolvent

If $Q$ is a operator on a Hilbert space $U$ and $U_0=Q^{1/2}U$, then $L$ and $LQ^{1/2}$ have the same HS norm, for all operators $L$ from $U_0$ to $H$

Hilbert space and a subspace

Non-empty point spectrum of an operator which commutes with a non-quasinilpotent compact operator

The operator inequality $|AB| \leq \|A\| |B|$

Proving Map on Sequence Space Is Unbounded Operator

An estimate for a given sequence

Is the Laplace transform a linear operator?

Is $Tf=\int_0^1\alpha (x)f(x)dx$ a compact operator?

convergence of linear operator $Tx_n\rightarrow f$

How to show that a sequence in $L^2(-R,R)$ satisfy a certain condition

Can I move the test function into the inner commutators and skip the operator on the outside?

Find the spectrum of a given operator.

Trending Questions

Popular # Hahtags

Popular Questions