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location Moscow, Russia
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visits member for 3 years, 9 months
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Dec
19
revised Proving $\sum_{k=0}^{2m}(-1)^k{\binom{2m}{k}}^3=(-1)^m\binom{2m}{m}\binom{3m}{m}$ (Dixon's identity)
deleted 49 characters in body
Dec
19
revised Proving $\sum_{k=0}^{2m}(-1)^k{\binom{2m}{k}}^3=(-1)^m\binom{2m}{m}\binom{3m}{m}$ (Dixon's identity)
edited body, edited title
Dec
19
revised Proving that $\frac{\pi^{3}}{32}=1-\sum_{k=1}^{\infty}\frac{2k(2k+1)\zeta(2k+2)}{4^{2k+2}}$
edited tags
Dec
18
revised Proving that $\left(\frac{\pi}{2}\right)^{2}=1+\sum_{k=1}^{\infty}\frac{(2k-1)\zeta(2k)}{2^{2k-1}}$.
edited tags
Dec
18
revised A question on the dimension
edited tags
Dec
18
revised find expectation of non-negative integer valued RV from generating function
texification
Dec
18
revised $\pi_2(G)$ for $G$ a Lie group.
edited tags
Dec
17
revised How to show the existence and uniqueness of the pullback connection in vector bundles?
edited tags
Dec
17
revised Probabilistic Proof of Hook Length Formula
tags &c
Dec
17
revised Why do Zoll metrics exist only on $S^2$ and $RP^2$?
added 15 characters in body
Dec
16
revised Binomial Identity $\sum\binom{2n+1}{2k+1}\binom{m+k}{2n} = \binom{2m}{2n}$
title
Dec
16
revised Prove that $\sum_{k=0}^{m}\binom{m}{k}\binom{n+k}{m}=\sum_{k=0}^{m}\binom{n}{k}\binom{m}{k}2^k$
algebraic POV added
Dec
14
revised Solve $x^2\equiv 5 \pmod {35}$
tex in title
Dec
13
revised Moves for regular homotopies of immersions of $S^1$ in the plane
wording
Dec
13
revised Moves for regular homotopies of immersions of $S^1$ in the plane
spelling, title
Dec
13
revised $\sqrt{2}\notin\mathbb{Q}$ but …
edited title
Dec
12
revised Homeomorphism between $S^1$ and $(- \pi, \pi]$
edited tags
Dec
12
revised Quadratic character of 3
title
Dec
12
revised How to show some function is constant?
some typos
Dec
11
revised Prove that $\sum_{k=0}^{m}\binom{m}{k}\binom{n+k}{m}=\sum_{k=0}^{m}\binom{n}{k}\binom{m}{k}2^k$
edited tags