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Christophe Leuridan's user avatar
Christophe Leuridan's user avatar
Christophe Leuridan's user avatar
Christophe Leuridan
  • Member for 3 years, 1 month
  • Last seen this week
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All Questions Answers
Score Newest
answer
17
Can nonnegative functions $f(x,y,z)$ be written as a product of pairwise functions $u(x,y) v(y,z) w(x, z)$?
Jan 31
answer
16
Examples of bad notation and its consequences
Apr 19
answer
10
Solving a limit about sum of series
Apr 5
answer
8
If $n=2m$, what is the order of the permutation $\sigma(k)=2k , \quad \sigma(m+k)=2k-1$
Feb 17
answer
8
Random pseudo-walk of Poisson variables
Dec 17
answer
7
Square root of prime numbers
May 6, 2022
answer
7
Forcing the uniqueness of a solution of an ODE
Sep 8, 2022
answer
7
Central limit theorem for irrational rotations
Nov 24
answer
6
Spectra of products variously permutated
Dec 18
answer
6
Existence of weird complex norms
Feb 13
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11
If Series $\sum \sqrt\frac{a_n}{n}$ converges then $\sum a_n$ converges?
9
Sophomore's Eternal Dream $\int_0^1\cdots\int_0^1 (t_1t_2\cdots t_n)^{t_1t_2\cdots t_n} dt_1 dt_2\cdots dt_n$
9
Conjecture: If matrix $M$ has entries (left to right, then top to botom) $\sin 1,\sin 2,\sin 3,\dots,\sin (n^2)$, where $n\ge 3$, then $\det M = 0$.
8
Inequality on Brownian motions and Ito integrals
8
Integrating the exponential of distance to a convex bounded set

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