User Tony B

8 votes

2 answers

3k views

Is $f(x,y)=\sum_{n\in\mathbb{Z}\backslash\{0\}}\frac{1}{n}e^{2\pi i(xn+yn^2)}$ essentially bounded?

asked Jun 17, 2015 at 3:27

8 votes

0 answers

277 views

a question on the paper of Łaba and Wolff

asked May 26, 2017 at 4:16

6 votes

2 answers

779 views

Lower bound for the number of lattice points on high dimensional spheres

asked Aug 4, 2019 at 15:13

4 votes

2 answers

332 views

estimate for a sum of products of Weil's sum

asked Jun 10, 2017 at 19:11

3 votes

1 answer

283 views

symbol $m\in L^{\infty}$ implies any boundedness of a bilinear operator?

asked Jan 11, 2015 at 1:46

2 votes

1 answer

667 views

upper bound for an incomplete exponential sum

asked Mar 7, 2014 at 23:27

2 votes

0 answers

150 views

the (2,2,1) boundedness of a "product" operator

asked Dec 27, 2014 at 4:37

2 votes

1 answer

161 views

Uniform power-saving estimate for an exponential sum

asked Apr 17, 2018 at 3:57

2 votes

1 answer

416 views

an analogue of Littlewood-Paley-Rubio de Francia theory

asked Jun 6, 2015 at 15:38

1 vote

1 answer

319 views

The $L^2\times L^2\to L^2$ norm of the bilinear multiplier operator

asked Jul 10, 2015 at 4:35

1 vote

1 answer

145 views

separating two parameters in an oscillatory integral

asked Jan 21, 2015 at 4:26

Stack Exchange Network

11 Questions

Is $f(x,y)=\sum_{n\in\mathbb{Z}\backslash\{0\}}\frac{1}{n}e^{2\pi i(xn+yn^2)}$ essentially bounded?

a question on the paper of Łaba and Wolff

Lower bound for the number of lattice points on high dimensional spheres

estimate for a sum of products of Weil's sum

symbol $m\in L^{\infty}$ implies any boundedness of a bilinear operator?

upper bound for an incomplete exponential sum

the (2,2,1) boundedness of a "product" operator

Uniform power-saving estimate for an exponential sum

an analogue of Littlewood-Paley-Rubio de Francia theory

The $L^2\times L^2\to L^2$ norm of the bilinear multiplier operator

separating two parameters in an oscillatory integral