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Velobos
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18 votes
0 answers
365 views

Find $f$ such that $f \star f(x) = \frac{1}{1-x}$.

8 votes
1 answer
213 views

How to show ergodicity on this probability measure.

5 votes
1 answer
134 views

Find a regular function $\varphi$ which verifies the following conditions

5 votes
1 answer
179 views

A Sobolev space on a perforated domain with extension by a solid vector field

5 votes
0 answers
79 views

Find a function $f$ such that $f \star f = g$ for a given $g$.

5 votes
2 answers
211 views

Spanning tree created with cycles breaking different form the Maximal Spanning Tree.

5 votes
0 answers
174 views

Explicit classical solution to this Stokes problem.

4 votes
0 answers
54 views

Integrals of the form $\int_{\partial B(b,a)} \frac{x_1^\alpha x_2^\beta x_3^\gamma}{|x|^k} \, \mathrm{d}x$.

4 votes
0 answers
85 views

Are they known properties for the self-convolution application $H : f \mapsto f \star f$?

4 votes
1 answer
69 views

Weak convergence in $L^2(\mathbb{R}^3,L_{loc}^2(\mathbb{R}^3))$ thanks to diagonal extraction.

4 votes
1 answer
58 views

Inverse this Stokes Matrix.

4 votes
0 answers
42 views

What does this Fourier multiplicator operator do?

4 votes
0 answers
60 views

Laplacian in a perforated domain with non-homogenous boundary conditions. Link with the existence of a suited extension function.

4 votes
1 answer
39 views

The weak limiting point of a stationary random field is stationary.

4 votes
0 answers
126 views

A vectorial version of the div/curl lemma with divergence free potential.

3 votes
2 answers
363 views

Different norms for the $H^{1/2}$ sobolev spaces

3 votes
1 answer
105 views

Continuous version of Kingman's subadditive ergodic theorem.

3 votes
2 answers
116 views

Identify this graph problem.

3 votes
1 answer
42 views

Find a density function $g$ that verify the following integrale convergence and divergence.

3 votes
0 answers
83 views

Fourier series of $x \mapsto \frac{1}{x\ln(x)^2}$ on $[0,a]$

3 votes
0 answers
64 views

Writing Euler's equation for this minimization problem.

2 votes
0 answers
25 views

Weak convergence of measures on the unit sphere $S^2$.

2 votes
1 answer
53 views

Show that the following quantity is super-additive over set.

2 votes
0 answers
60 views

Energy inequality on this $3 \times 3$ linear system

2 votes
0 answers
58 views

Embedding from homogeneous Besov spaces to homogeneous Sobolev spaces.

2 votes
0 answers
55 views

Minimization of a classic functional over $H^1(\Omega)$

2 votes
1 answer
54 views

Speed of convergence for the secant method

2 votes
0 answers
72 views

Link between $L^1$ convergence and equi-integrable

2 votes
0 answers
32 views

Compute the following expectation with non-independant random variables.

2 votes
0 answers
46 views

Compute these expectations for non-independent random variables.