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Dattier
  • Member for 6 years, 10 months
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53 votes
3 answers
4k views

Does every real function have this weak continuity property?

22 votes
0 answers
1k views

Do we know how to determine the $2^{2020}$ decimal of $\sqrt{2}$?

22 votes
2 answers
6k views

$\mathbf{P} = \mathbf{NP}$, what's the problem?

19 votes
4 answers
3k views

Strange result about convexity

19 votes
2 answers
1k views

Does this number exist?

18 votes
0 answers
2k views

$G$ a group, with $p$ a prime number, and $|G|=2^p-1$, is it abelian?

16 votes
1 answer
639 views

Does every real function have this weak derivation property?

13 votes
1 answer
447 views

Does locally nilpotent imply nilpotent for continuous self-maps of intervals?

12 votes
6 answers
3k views

Can you do math without knowing how to count?

11 votes
1 answer
705 views

A closed formula for $A_n(X)=\sum\limits_{i=0}^n X^{i^2}$

11 votes
0 answers
319 views

Does any real function have a Lipschitzian restriction on $D$?

9 votes
4 answers
2k views

How may I find all continuous and bounded functions g with the following property?

7 votes
1 answer
535 views

Dominated convergence 2.0?

5 votes
2 answers
622 views

Dominated convergence 2.1?

5 votes
3 answers
758 views

Does there exist another form of the derivative for polynomials?

3 votes
2 answers
519 views

1/2 Wilson's theorem

3 votes
1 answer
332 views

$\pi(x+200)-\pi(x)\leq 50$?

3 votes
1 answer
200 views

Regularize continuous functions with bounded variation

3 votes
1 answer
886 views

Root of polynomials in a finite field

3 votes
1 answer
231 views

$\int_0^1 f(\sin(1/x)) \times g(\cos(1/x)) dx \leq \int_0^1 f(\sin(1/x)) dx \times \int_0^1 g(\cos(1/x))dx? $

3 votes
2 answers
457 views

Regularity of lipschitz and derivable function

3 votes
2 answers
384 views

Functional equations based on composition

3 votes
1 answer
475 views

A strange condition of convexity?

3 votes
1 answer
299 views

Rationals polynomials with integers values

2 votes
1 answer
385 views

A question about non linear sequence?

2 votes
1 answer
155 views

Higher-order convexity

2 votes
2 answers
515 views

About roots of polynomials [closed]

2 votes
1 answer
166 views

A new convolution, on function of $\mathbb F_p^n$ to $\mathbb F_p$ still zero?

2 votes
0 answers
114 views

When $\gcd(P(x),Q(x))\bmod R(x)=\gcd(P(x) \bmod R(x),Q(x) \bmod R(x))$?

2 votes
1 answer
342 views

Is the number of words finite, when you don't know how to count?