User Xiaoyu He - MathOverflow

Xiaoyu He

Member for 9 years
Last seen more than a week ago

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8 Questions

Score Activity Newest Views

29 votes

1 answer

1k views

Why is there a Parity Problem in Sieve Theory and not a Mod p problem for any other p?

asked Mar 9, 2016 at 19:17

14 votes

1 answer

936 views

Optimality of the Plünnecke-Ruzsa Inequality

asked Oct 25, 2017 at 21:12

8 votes

0 answers

325 views

k-Almost Primes in short intervals

asked Mar 24, 2016 at 1:52

8 votes

3 answers

484 views

Where does $2\sqrt{d-1}$ come from in Ramanujan graphs?

asked Mar 15, 2017 at 1:35

6 votes

0 answers

294 views

Constants for Rosser's Sieve

asked Apr 5, 2015 at 0:00

5 votes

1 answer

437 views

Average of Short Character Sum over All Dirichlet Characters Mod n

asked Sep 30, 2015 at 20:07

4 votes

2 answers

194 views

Well-distribution of square of an interval $[1,p^{1-\varepsilon}]$ modulo a prime $p$

asked Sep 7, 2015 at 15:44

3 votes

1 answer

689 views

Euler product for sum of multiplicative function times log

asked Jan 10, 2016 at 15:34