Skip to main content
MathOverflow
Jean Duchon's user avatar
Jean Duchon's user avatar
Jean Duchon's user avatar
Jean Duchon
  • Member for 9 years, 5 months
  • Last seen more than 5 years ago
  • Saint-Antoine l'Abbaye (Isère), France
Profile Activity
Stats
3,085
reputation
56k
reached
92
answers
11
questions
Communities
About

Retired from CNRS, Institut Fourier (Grenoble).

Postal address: 297 Grande Rue, 38160 Saint-Antoine, France.

My professional email address is no longer active. My new email (not to be spread, please) is through gmail dot com, it is my name dot my wife's name (mesdag).

Badges
View all badges
This user doesn’t have any gold badges yet.
11
silver badges
17
bronze badges
Top tags
View all tags
73
Score
29
Posts
28
Posts %
47
Score
24
Posts
23
Posts %
45
Score
25
Posts
24
Posts %
39
Score
16
Posts
16
Posts %
36
Score
13
Posts
13
Posts %
23
Score
7
Posts
7
Posts %
Top posts
View all questions and answers
answer
12
Completion of $C_0^{\infty}(\mathbb{R}^N)$ with norm $\|u\|= \Bigg(\int_{{\mathbb{R}}^N} |\Delta u |^2 \, \mathrm{d}x \Bigg)^{\frac{1}{2}}. $
Aug 19, 2015
answer
9
Structure of the Cantor part of the derivative of a BV function
Dec 25, 2017
question
8
Continuous right inverse to the Laplacian operator on $C^\infty$
Jul 28, 2017
answer
7
Is there a measure on the sphere with positive Fourier transform?
Dec 23, 2017
answer
6
Homogeneous fractional Sobolev spaces
Oct 2, 2016
question
6
Bound on the joint distribution of three real random variables with given two dimensional marginals
Aug 16, 2016
question
6
Stationary Navier-Stokes solutions
Nov 8, 2018
answer
6
Can the gradient flow of a harmonic function move from a non-critical point to a critical point?
Sep 21, 2016
answer
6
Topology in space of test functions $\mathcal{D}(\Omega)$ and space of distributions $\mathcal{D}'(\Omega)$
Feb 9, 2016
answer
5
Does there exist a stochastic time derivative?
Sep 22, 2016