Fan Zheng's user avatar
Fan Zheng's user avatar
Fan Zheng's user avatar
Fan Zheng
  • Member for 10 years, 8 months
  • Last seen more than 1 year ago
  • NJ
8 votes
1 answer
361 views

Solutions of a Diophantine equation with large common divisors

16 votes
1 answer
2k views

Ways to help a math PhD out of depression [closed]

5 votes
0 answers
129 views

Chapter X, Section 2, Proposition 1 of Stein's harmonic analysis

1 vote
1 answer
114 views

Probability for a group of stones to live on an infinite Go board

2 votes
0 answers
327 views

Hölder-Zygmund spaces of negative order

-1 votes
1 answer
150 views

$\ell^q$ analog of square function

5 votes
1 answer
272 views

Natural explanation for a matrix identity

1 vote
0 answers
203 views

Furstenberg's topology and Adele

6 votes
1 answer
328 views

Check irreducibility of an explicit polynomial, without computer

4 votes
1 answer
419 views

Galois group and invariant polynomials

31 votes
1 answer
2k views

$f'=e^{f^{-1}}$, again

4 votes
1 answer
311 views

Counting integral points on a surface

5 votes
1 answer
609 views

Structure sheaf of affine variety consists of noetherian rings (again)

8 votes
1 answer
875 views

The Fourier transform of a function supported on $B_1$ is essentially constant on $B_1$?

7 votes
3 answers
566 views

Uniform bounds on the number of integer points on a family of elliptic curves

2 votes
1 answer
774 views

Decoupling in mixed norm spaces

8 votes
1 answer
818 views

Lattice points near a curve

16 votes
1 answer
1k views

On (a generalization of) the Gauss Circle Problem

9 votes
3 answers
371 views

Decay of real continuous algebraic functions at infinity

12 votes
2 answers
778 views

When is the closed unit ball in a smaller Banach space closed in a larger Banach space?

13 votes
1 answer
657 views

Two Vinogradovs? Is one the son of the other? [closed]

3 votes
1 answer
2k views

Completion of a finite field extension is also finite?

4 votes
1 answer
322 views

Mixed norm estimate for the heat equation

8 votes
2 answers
2k views

Nash's proof of De Giorgi-Nash-Moser theorem

4 votes
1 answer
287 views

Is there a name for this space?

3 votes
1 answer
472 views

Lemma 2.11 of Tao's Nonlinear Dispersive Equations

6 votes
1 answer
824 views

UFD and fundamental group

8 votes
2 answers
394 views

Root criterion for polynomial over number fields

9 votes
1 answer
2k views

Cricket and the Hardy-Littlewod maximal function

1 vote
0 answers
412 views

$H=W$ for weighted Sobolev spaces