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Alexander Kuleshov's user avatar
Alexander Kuleshov's user avatar
Alexander Kuleshov's user avatar
Alexander Kuleshov
  • Member for 10 years, 8 months
  • Last seen more than 2 years ago
  • Moscow, Россия
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7
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About

Researcher at Lomonosov Moscow State University

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Top posts
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question
10
Prove that the Dirichlet eta function is monotonic
Sep 12, 2014
question
4
Compact definition of ordinals
Sep 17, 2019
answer
4
Intermediate value theorem for the Jacobian determinant restricted to a curve
Oct 24, 2014
question
3
A weak definition of multiple differentiability of a function of several variables
Jan 26, 2020
question
2
Intermediate value theorem for the Jacobian determinant restricted to a curve
Mar 27, 2014
question
2
Explicit formula for $\sin\frac{\alpha}{3}$ [closed]
Jan 10, 2015
answer
2
Symmetry of higher order mixed partial derivatives under weaker assumptions
Nov 14, 2020
question
1
A non-differentiable function $f(x,y)$ with bounded $f_x$, $f_y$, $f_{xx}$ and $f_{yy}$
Jul 19, 2021
question
1
A sufficient condition for multiple differentiability of a function of several variables
Oct 19, 2021
answer
1
A weak definition of multiple differentiability of a function of several variables
Jan 27, 2020
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9
Formula for the series $f(x):=\sum\limits_{n=1}^\infty\frac{x}{x^2+n^2}$
6
Improper integrals and right-hand Riemann sums