List questions from unbounded-operators

Published on 21 Nov 2023 - 21:41

32

Views

Bounded extension of an operator with limited numerical range

Published on 29 Nov 2023 - 15:50

54

Views

Can one reduce the study of unbounded operators to the one of bounded operators?

Published on 23 Feb 2026 - 19:24

55

Views

If $f_n\in L^2$, $x f_n \in L^2$, $f_n \to 0$, then $xf_n \to 0$?

Published on 30 Nov 2023 - 13:27

60

Views

Show that the image of S under the map $ f \mapsto f * g $ is a compact set in $ C_0([-2, 2])$.

Published on 23 Feb 2026 - 15:35

117

Views

Domain of sum of momentum operators

Published on 08 Jan 2024 - 7:35

55

Views

Proof Position Operator Is Dense

Published on 16 Jan 2024 - 9:06

57

Views

When is $\rho := e^{-\beta H}$ trace-class?

Published on 17 Jan 2024 - 6:34

41

Views

Question about domains of extensions of unbounded operators

Published on 03 Feb 2024 - 4:23

168

Views

Question about inclusion of domains of unbounded operators on a Hilbert space

Published on 05 Feb 2024 - 16:55

75

Views

Banach spaces associated to Sobolev Towers

Published on 18 Feb 2024 - 20:36

48

Views

Spectral family/resolution for $A \otimes 1+ 1 \otimes B$

Published on 01 Mar 2024 - 8:08

22

Views

Discrete spectrum of $A \otimes 1+ 1 \otimes B$

Published on 29 Feb 2024 - 15:48

59

Views

The composition of two unbounded linear operator is also unbounded or not?

Published on 04 Mar 2024 - 11:32

25

Views

How is changing the boundary conditions a finite rank perturbation?

Published on 05 Mar 2024 - 9:45

List Question

Brezis' exercise 8.17: the kernel of $A^*$ where $A u=u''-xu'$

Bounded extension of an operator with limited numerical range

Can one reduce the study of unbounded operators to the one of bounded operators?

If $f_n\in L^2$, $x f_n \in L^2$, $f_n \to 0$, then $xf_n \to 0$?

Show that the image of S under the map $ f \mapsto f * g $ is a compact set in $ C_0([-2, 2])$.

Domain of sum of momentum operators

Proof Position Operator Is Dense

When is $\rho := e^{-\beta H}$ trace-class?

Question about domains of extensions of unbounded operators

Question about inclusion of domains of unbounded operators on a Hilbert space

Banach spaces associated to Sobolev Towers

Spectral family/resolution for $A \otimes 1+ 1 \otimes B$

Discrete spectrum of $A \otimes 1+ 1 \otimes B$

The composition of two unbounded linear operator is also unbounded or not?

How is changing the boundary conditions a finite rank perturbation?

Trending Questions

Popular # Hahtags

Popular Questions