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Zhi-Wei Sun's user avatar
Zhi-Wei Sun's user avatar
Zhi-Wei Sun's user avatar
Zhi-Wei Sun
  • Member for 5 years, 6 months
  • Last seen more than 2 years ago
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I mainly work in the field of combinatorial number theory.

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55
A mysterious connection between primes and $\pi$
34
How to prove the identity $L(2,(\frac{\cdot}3))=\frac2{15}\sum\limits_{k=1}^\infty\frac{48^k}{k(2k-1)\binom{4k}{2k}\binom{2k}k}$?
33
Question on a generalisation of a theorem by Euler
31
A conjectural trigonometric identity
31
Can we write each positive rational number as $\frac1{p_1-1}+\ldots+\frac1{p_k-1}$ with $p_1,\ldots,p_k$ distinct primes?

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