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Aleksei Kulikov's user avatar
Aleksei Kulikov's user avatar
Aleksei Kulikov's user avatar
Aleksei Kulikov
  • Member for 6 years, 4 months
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View all questions and answers
All Questions Answers
Score Newest
question
28
Number of real roots of a polynomial
Feb 1, 2017
answer
15
Bounding a Fourier coefficient of a non-negative periodic function in terms of its $L^2$-norm
Mar 11, 2020
answer
12
Lower bound $\int_0^1 \frac{|f'(x)|^2}{f} \,\mathrm{d} x$ by $\int_0^1 |f-1|^2\, \mathrm{d} x$
Apr 4
answer
12
Is there a universal bound for this ratio of expectations?
Jul 26, 2017
answer
11
XOR-free sets: Maximum density?
Feb 24, 2019
answer
9
Density of numbers with multiple factors near square root
Jan 10, 2019
answer
8
Behaviour at natural boundary
Jun 29, 2017
answer
8
A set of prime numbers
Oct 25, 2018
answer
8
Existence of Laurent series with zeroes at $e^{2n}$ ($n \in \Bbb{N}_0$) and extremely fast coefficient decay
Feb 8, 2019
answer
7
Can all partial sums $\sum_{k=1}^n f(ka)$ where $f(x)=\log|2\sin(x/2)|$ be non-negative?
Nov 29, 2021

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