Mathematics
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Svyatoslav
  • Member for 1 year, 6 months
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  • Moscow, Россия
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About

Graduated from Novosibirsk University in 1988; for two years - postgraduate in the theoretical department (General relativity and field theory). Since 1990th work as a sales manager for international companies. Got a second (business) education (full-time MBA) in 2010-2011 in France. Still love mathematics - still learning with you and from you :)

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View all questions and answers
All Questions Answers
Score Newest
answer
13
Can we prove AM-GM Inequality using these integrals?
Sep 8, 2021
answer
12
Integral of weird function
Sep 24, 2021
answer
10
A tough integral $\int_0^{\infty}\frac{\operatorname{sech}(\pi x)}{1+4x^2}\, \mathrm dx $
Jun 21, 2021
answer
10
How to prove $\int_0^\infty\frac {\tanh(x)-x\exp(-x)}{x^2}dx=\frac{\zeta'(0)}{\zeta(0)}-\frac{\zeta'(2)}{\zeta(2)}+\gamma-\frac73\log(2)$?
Apr 18
answer
8
Asymptotic integration of $\frac{ x^{a-\frac{1}{2}} \cos \left(\frac{\pi a}{2}-\alpha x\right)}{(e^x-1)\sqrt{\alpha x}}$
Oct 16, 2021
answer
8
Finding a closed form for $\sum_{r=0}^{n}{\frac{1}{4^r}\binom{2r}{r}}$
Nov 12, 2021
answer
7
Evaluate an absolute monster integral $\int\limits_{0}^{1} \frac{\log(1-x+x^2)}{\sqrt{x}(1+x)}\mathrm{d}x.$
Feb 23, 2021
answer
7
Trigonometric and exponential integral $\int _0^{\pi }\frac{\cos \left(a\sin x\right)}{1+a\cos x}e^{a\cos x}dx$
Apr 2
answer
7
How do I solve the double summation $ \sum_{n=1}^{\infty} \sum_{m=1}^{\infty} \frac{m^2 - n^2}{(m^2 + n^2)^2}$?
May 2
answer
6
Sigma and Series involving factorials
Feb 25, 2021

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