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Vlad Matei's user avatar
Vlad Matei's user avatar
Vlad Matei's user avatar
Vlad Matei
  • Member for 11 years, 2 months
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question
14
Polynomial values are powers of two
May 14, 2022
answer
11
$p_n(x,y)=\sum_{i=0}^{n-1}x^{n-1-i}y^{i}$ is always an integer
Nov 17, 2018
answer
9
Are half of the $2^n$-th roots of the unit rationally independent?
Feb 22, 2021
answer
9
Solving functional equation $f(xy)=f(x+y)$ and Diophantine equations
Mar 23, 2022
question
4
integral points on elliptic curves in terms of discriminant
Dec 15, 2021
answer
4
What is the smallest sphere whose surface includes 100 integer points?
Jan 30, 2018
answer
4
The maximal size of intersection of two sets
Nov 9, 2018
question
3
Binomial coefficient congruence modulo $p^n$
Oct 26, 2022
question
2
Finding the residue for a complex function defined using an infinite product
Oct 7, 2013
question
2
Compact expression for triples of subsets with total sum zero
Nov 21, 2021
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6
Function in $L^1([0,1])$ that is not locally in any $L^{\infty}$
6
show this $\prod_{i=1}^{\frac{p-1}{2}}a_{i}\equiv\prod_{i=1}^{\frac{p-1}{2}}b_{i}\pmod {p^3}$
6
Under the which condition, factorisation of $a_1^n+a_2^n+\cdots+a_n^n-na_1a_2a_3...a_n ?$ is possible?
5
Find all $f$ which satisfies $ f:\mathbb{R}_{\geq0} \rightarrow \mathbb{R}, f(x+y^2) \geq f(x)+y $