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Christophe Leuridan's user avatar
Christophe Leuridan's user avatar
Christophe Leuridan's user avatar
Christophe Leuridan
  • Member for 4 years
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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, 2023
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16
Examples of bad notation and its consequences
Apr 19, 2023
answer
12
Trigonometric inequality
Oct 23
answer
10
Solving a limit about sum of series
Apr 5, 2023
answer
8
Random pseudo-walk of Poisson variables
Dec 17, 2023
answer
8
If $n=2m$, what is the order of the permutation $\sigma(k)=2k , \quad \sigma(m+k)=2k-1$
Feb 17, 2023
answer
7
Square root of prime numbers
May 6, 2022
answer
7
The expected value of product of random variables which have the same distribution but are not independent
Jan 21
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7
Forcing the uniqueness of a solution of an ODE
Sep 8, 2022
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7
Central limit theorem for irrational rotations
Nov 24, 2023
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11
If Series $\sum \sqrt\frac{a_n}{n}$ converges then $\sum a_n$ converges?
11
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 $\det M = 0$.
9
Sophomore's Eternal Dream $\int_0^1\cdots\int_0^1 (t_1t_2\cdots t_n)^{t_1t_2\cdots t_n} dt_1 dt_2\cdots dt_n$
8
Inequality on Brownian motions and Ito integrals
8
Concentration of measure on sphere: Bounding the probability of a large angle