Question

Weak convergence on nonseparable spaces

score 58 · Answer 1 · 2026-03-25 09:31:26

58

Views

Weak convergence on nonseparable spaces

Published on 25 Mar 2026 - 9:31

score 45 · Answer 2 · 2026-03-25 12:28:14

45

Views

If in a orthogonal basis of a Hilbert space H, i take off just one element, do i get a strict subpsace of H?

Published on 25 Mar 2026 - 12:28

score 128 · Answer 3 · 2026-03-27 04:03:28

128

Views

Beggining in funcional analysis

Published on 27 Mar 2026 - 4:03

score 529 · Answer 4 · 2026-04-01 14:39:29

529

Views

Optimal Poincare constant in $W^{1,p}(\Omega)$

Published on 01 Apr 2026 - 14:39

score 121 · Answer 5 · 2026-03-25 09:40:00

121

Views

Orthogonality of eigenvectors of a positive operator in the polar decomposition

Published on 25 Mar 2026 - 9:40

score 144 · Answer 6 · 2026-03-26 20:16:43

144

Views

Find norm of the operator $A: C[-1,1] \to C[-1,1]$, $(Ax)(t) = \int_{-1}^t x(s) ds - \int_0^1 s x(s) ds$

Published on 26 Mar 2026 - 20:16

score 76 · Answer 7 · 2018-02-25 21:23:52

76

Views

Does the sequence $x_n = x_n(t) = e^{-nt}$ converge in space $M[0,2]$?

Published on 25 Feb 2018 - 21:23

score 38 · Answer 8 · 2026-03-25 04:43:22

38

Views

Find $f$ that solves the following optimization problem: $\min_{f} \frac{f(x, y)}{f(y, x) \times x}$, where $x$, $y$ are constant real numbers.

Published on 25 Mar 2026 - 4:43

score 547 · Answer 9 · 2026-04-01 16:30:13

547

Views

Is there any inequality that relates the norm of the determinant of the Hessian Matrix and the norm of the Laplacian in $L^2(\Omega)$?

Published on 01 Apr 2026 - 16:30

score 63 · Answer 10 · 2026-03-26 05:06:46

63

Views

Why is the function, $f(x) = \sup \lbrace \| x-y \| : y\in K \rbrace$, continuous?

Published on 26 Mar 2026 - 5:06

score 76 · Answer 11 · 2026-03-25 01:35:20

76

Views

Defining equicontinuity in terms of sequences

Published on 25 Mar 2026 - 1:35

score 174 · Answer 12 · 2026-04-02 08:40:58

174

Views

von Neumann algebra

Published on 02 Apr 2026 - 8:40

score 54 · Answer 13 · 2026-03-26 20:16:57

54

Views

Why is $||\cdot||_1=\sum_{i=1}^n |x_i|$ not strictly subadditive (in $\mathbb{R}^2$)?

Published on 26 Mar 2026 - 20:16

score 162 · Answer 14 · 2026-03-24 22:11:29

162

Views

Example of an unbounded $w^*-$ compact subset

Published on 24 Mar 2026 - 22:11

score 394 · Answer 15 · 2026-03-27 03:49:17

394

Views

Show that a function is in the closed convex hull

Published on 27 Mar 2026 - 3:49

List Question

Weak convergence on nonseparable spaces

If in a orthogonal basis of a Hilbert space H, i take off just one element, do i get a strict subpsace of H?

Beggining in funcional analysis

Optimal Poincare constant in $W^{1,p}(\Omega)$

Orthogonality of eigenvectors of a positive operator in the polar decomposition

Find norm of the operator $A: C[-1,1] \to C[-1,1]$, $(Ax)(t) = \int_{-1}^t x(s) ds - \int_0^1 s x(s) ds$

Does the sequence $x_n = x_n(t) = e^{-nt}$ converge in space $M[0,2]$?

Find $f$ that solves the following optimization problem: $\min_{f} \frac{f(x, y)}{f(y, x) \times x}$, where $x$, $y$ are constant real numbers.

Is there any inequality that relates the norm of the determinant of the Hessian Matrix and the norm of the Laplacian in $L^2(\Omega)$?

Why is the function, $f(x) = \sup \lbrace \| x-y \| : y\in K \rbrace$, continuous?

Defining equicontinuity in terms of sequences

von Neumann algebra

Why is $||\cdot||_1=\sum_{i=1}^n |x_i|$ not strictly subadditive (in $\mathbb{R}^2$)?

Example of an unbounded $w^*-$ compact subset

Show that a function is in the closed convex hull

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