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Mathematics
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ZFR

I am math graduate student in one of the U.S. universities and I am deeply interested in Number theory, Additive combinatorics, Ramsey theory, Polynomial Method, Group and Ring theory, Finite Fields, Real and Fourier analysis, Measure Theory.

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  • New York, NY, USA
  • Member for 5 years, 2 months
  • 2,057 profile views
  • Last seen 4 hours ago

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Top Posts (604) All Questions Answers | Votes Newest

17 Sum of series $\sum \limits_{k=1}^{\infty}\frac{\sin^3 3^k}{3^k}$ Jan 23 '17
14 Number which is simultaneously sum of 2 and 3 squares [closed] Nov 25 '17
14 $A+B+C+7$ is perfect square where $A,B,C$ numbers with repeating digits. Oct 29 '15
12 Solve an equation of 4th degree Apr 19 '16
11 Infinite group has infinitely many subgroups, namely cyclic subgroups. Nov 30 '17
10 If $\lim_{x \to \infty} (f(x)-g(x)) = 0$ then $\lim_{x \to \infty} (f^2(x)-g^2(x)) = 0\ $: False? Nov 12 '15
10 Looking for a non-combinatorial proof that $a! \cdot b! \mid (a+b)!$ Feb 2 '16
8 Definition of isomorphism from Herstein's book Dec 23 '17
8 Problem 30 from Shakarchi Stein's book Sep 28 '18
7 Every separable metric space has a countable base Jun 3 '16
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