List questions from hilbert-spaces

Published on 15 Apr 2026 - 21:46

50

Views

Inequality in Hilbert spaces

Published on 13 Apr 2026 - 2:52

36

Views

Sum of the spectra of two s-a operators

Published on 26 Mar 2026 - 12:37

53

Views

Boundedness issue of inverting an infinite Jordan block in $\ell^2(\mathbb Z)$ (shift operator)

Published on 10 Apr 2026 - 15:20

40

Views

Proving that $||AB||_{HS}\leq ||B||_H||A||_{HS}$ for Hilbert-Schmidt operator $A$ and a bounded linear operator $B$

Published on 13 Apr 2026 - 16:05

75

Views

Kernel mean embeddings in Reproducing Kernel Hilbert Spaces: linear kernel

Published on 10 Apr 2026 - 23:21

194

Views

Show that $\lim_{n \rightarrow \infty}T^nx$ exists for all $x \in H$.

Published on 15 Apr 2026 - 21:39

79

Views

If $\{\|T^n\|:n\in\mathbb{Z}\}$ is bounded for an invertible operator $T$ over a Hilbert space, must $T$ be conjugate to an orthogonal operator?

Published on 10 Apr 2026 - 23:59

41

Views

Relate a continuous inner product to a discrete one by expanding a kernel around a Dirac delta function?

Published on 13 Apr 2026 - 16:14

37

Views

weak convergence in an unit ball.

Published on 16 Apr 2026 - 13:22

67

Views

Limit of sequences in $\ell^2$

Published on 14 Apr 2026 - 3:12

90

Views

Examples of operator equations on a Hilbert space

Published on 11 Apr 2026 - 7:21

56

Views

Prove that the following function is firmly non expansive

Published on 12 Apr 2026 - 21:24

33

Views

Untiunitary operator on a Hilbert space

Published on 11 Apr 2026 - 8:06

36

Views

Is $GL(\mathcal{H})/\mathbb{C}^* \cong U(\mathcal{H})/U(1)$?

Published on 08 Apr 2026 - 23:30

List Question

On the projective Hilbert space

Inequality in Hilbert spaces

Sum of the spectra of two s-a operators

Boundedness issue of inverting an infinite Jordan block in $\ell^2(\mathbb Z)$ (shift operator)

Proving that $||AB||_{HS}\leq ||B||_H||A||_{HS}$ for Hilbert-Schmidt operator $A$ and a bounded linear operator $B$

Kernel mean embeddings in Reproducing Kernel Hilbert Spaces: linear kernel

Show that $\lim_{n \rightarrow \infty}T^nx$ exists for all $x \in H$.

If $\{\|T^n\|:n\in\mathbb{Z}\}$ is bounded for an invertible operator $T$ over a Hilbert space, must $T$ be conjugate to an orthogonal operator?

Relate a continuous inner product to a discrete one by expanding a kernel around a Dirac delta function?

weak convergence in an unit ball.

Limit of sequences in $\ell^2$

Examples of operator equations on a Hilbert space

Prove that the following function is firmly non expansive

Untiunitary operator on a Hilbert space

Is $GL(\mathcal{H})/\mathbb{C}^* \cong U(\mathcal{H})/U(1)$?

Trending Questions

Popular # Hahtags

Popular Questions