Question

In which case weak compact coincides with weak operator topology compact？

score 42 · Answer 1 · 2026-04-09 03:37:57

42

Views

In which case weak compact coincides with weak operator topology compact？

Published on 09 Apr 2026 - 3:37

score 674 · Answer 2 · 2026-04-13 18:39:50

674

Views

Why is adjoining a unit the algebraic counterpart to the one point compactification?

Published on 13 Apr 2026 - 18:39

score 264 · Answer 3 · 2026-04-12 05:42:15

264

Views

Fractional powers for the Laplacian with Dirichlet boundary conditions

Published on 12 Apr 2026 - 5:42

score 205 · Answer 4 · 2026-04-12 07:18:47

205

Views

weak operator closure of $K$ equals to the strong operator closure

Published on 12 Apr 2026 - 7:18

score 814 · Answer 5 · 2026-04-15 20:42:29

814

Views

$-Δ$ with domain $\{u∈H_0^1:Δu∈L^2\}$ admits an orthonormal basis of $L^2$ consisting of eigenfunctions of $-Δ$ with corresp. positive eigenvalues

Published on 15 Apr 2026 - 20:42

score 166 · Answer 6 · 2026-04-16 22:00:19

166

Views

Difference of Orthogonal Projections is Compact

Published on 16 Apr 2026 - 22:00

score 34 · Answer 7 · 2026-04-09 03:50:28

34

Views

Mapping takes values in the space of bounded linear operators

Published on 09 Apr 2026 - 3:50

score 139 · Answer 8 · 2026-04-09 02:09:26

139

Views

Effective strategy for determining the adjoint of an unbounded operator?

Published on 09 Apr 2026 - 2:09

score 2.5k · Answer 9 · 2026-04-14 03:23:35

2.5k

Views

Show that the inverse of the Laplacian is compact

Published on 14 Apr 2026 - 3:23

score 71 · Answer 10 · 2026-04-15 19:00:55

71

Views

the ‎space ‎of ‎all ‎ ‎operator with finite rank ......

Published on 15 Apr 2026 - 19:00

score 297 · Answer 11 · 2026-04-13 08:12:52

297

Views

Is every weakly closed bounded convex set of $B(H)$ is weakly compact?

Published on 13 Apr 2026 - 8:12

score 402 · Answer 12 · 2026-04-16 04:22:30

402

Views

If $-A$ is the Laplacian with Dirichlet boundary conditions on a bounded open subset of $\mathbb R^d$, then $\mathcal D(A^{1/2})=H_0^1(\Lambda)$

Published on 16 Apr 2026 - 4:22

score 1.5k · Answer 13 · 2026-04-13 07:28:33

1.5k

Views

Which functions are dense in this Hölder-space?

Published on 13 Apr 2026 - 7:28

score 389 · Answer 14 · 2026-04-14 12:10:46

389

Views

Unbounded operator $K\to H$ that is Hilbert--Schmidt from $Q^{1/2}K\to H$

Published on 14 Apr 2026 - 12:10

score 680 · Answer 15 · 2026-04-17 11:53:47

680

Views

Prove $\int_{-\pi}^{\pi} \left| 1 - \frac{|z|}{r}e^{iu}\right|^{-q} \mathrm{d}u \leq \left( 1 - \frac{|z|}{r}\right)^{-q-1}$

Published on 17 Apr 2026 - 11:53

List Question

In which case weak compact coincides with weak operator topology compact？

Why is adjoining a unit the algebraic counterpart to the one point compactification?

Fractional powers for the Laplacian with Dirichlet boundary conditions

weak operator closure of $K$ equals to the strong operator closure

$-Δ$ with domain $\{u∈H_0^1:Δu∈L^2\}$ admits an orthonormal basis of $L^2$ consisting of eigenfunctions of $-Δ$ with corresp. positive eigenvalues

Difference of Orthogonal Projections is Compact

Mapping takes values in the space of bounded linear operators

Effective strategy for determining the adjoint of an unbounded operator?

Show that the inverse of the Laplacian is compact

the ‎space ‎of ‎all ‎ ‎operator with finite rank ......

Is every weakly closed bounded convex set of $B(H)$ is weakly compact?

If $-A$ is the Laplacian with Dirichlet boundary conditions on a bounded open subset of $\mathbb R^d$, then $\mathcal D(A^{1/2})=H_0^1(\Lambda)$

Which functions are dense in this Hölder-space?

Unbounded operator $K\to H$ that is Hilbert--Schmidt from $Q^{1/2}K\to H$

Prove $\int_{-\pi}^{\pi} \left| 1 - \frac{|z|}{r}e^{iu}\right|^{-q} \mathrm{d}u \leq \left( 1 - \frac{|z|}{r}\right)^{-q-1}$

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