User Bazin

17 votes

3 answers

7k views

Eigenvectors of the Fourier transformation

asked May 10, 2016 at 12:47

17 votes

3 answers

3k views

Largest known zero of the Riemann zeta function

asked Mar 8, 2017 at 10:24

17 votes

2 answers

2k views

Is this entire function a square?

asked Jul 11, 2023 at 10:11

16 votes

1 answer

753 views

Nonnegative smooth function as sum of squares of smooth functions

asked Aug 31, 2012 at 20:28

15 votes

2 answers

723 views

Surjectivity of curl

asked Jan 17, 2015 at 20:47

14 votes

1 answer

1k views

Uncertainty principle

asked Oct 19, 2016 at 13:21

13 votes

2 answers

3k views

Radon-Nikodym theorem for non-sigma finite measures

asked Jan 6, 2017 at 14:17

11 votes

2 answers

689 views

Poincaré lemma for distributions

asked Feb 12, 2016 at 19:37

9 votes

3 answers

664 views

Lipschitz-free spaces of $\mathbb R^n$

asked Mar 19, 2015 at 17:16

9 votes

1 answer

516 views

Inequality for Laguerre polynomials

asked Mar 17, 2014 at 20:18

9 votes

3 answers

956 views

Sharpening of Lindelöf hypothesis

asked Sep 6, 2012 at 12:06

8 votes

2 answers

336 views

On Glaeser's Theorem for non-smooth functions

asked Apr 24, 2020 at 12:16

7 votes

2 answers

510 views

Estimate for an Airy integral

asked Aug 24, 2020 at 10:47

7 votes

1 answer

237 views

On Integrals of the Airy function

asked Sep 3, 2020 at 19:43

7 votes

2 answers

459 views

Eigenstates of Fourier transformation

asked Sep 15, 2014 at 18:19

6 votes

3 answers

2k views

Generalized Hardy-Littlewood-Sobolev Inequality

asked Sep 23, 2014 at 19:55

6 votes

1 answer

740 views

Dual of Banach-valued $L^p$ [duplicate]

asked Jan 28, 2015 at 17:48

6 votes

0 answers

368 views

Paving conjecture for Toeplitz matrices

asked Oct 29, 2012 at 13:51

6 votes

0 answers

141 views

Lagrangean uniqueness versus Eulerian uniqueness

asked Nov 29, 2012 at 21:21

6 votes

0 answers

157 views

Real interpolation space between the Wiener algebra and $L^2$

asked Jun 9, 2015 at 16:35

6 votes

3 answers

2k views

Logarithmic integral, $π(x)$ and $x/(\ln x)$

asked Jun 25, 2015 at 19:59

6 votes

1 answer

3k views

The Schwartz space is not normable

asked Sep 11, 2015 at 9:01

6 votes

1 answer

289 views

On Glaeser's result for the square-root of a smooth non-negative function

asked Jun 26, 2020 at 19:07

6 votes

2 answers

338 views

A smooth function such that the second derivative of its absolute value is a distribution of positive order

asked May 26, 2021 at 15:19

6 votes

3 answers

778 views

Convolution of $L^2$ functions

asked May 19, 2023 at 16:24

5 votes

1 answer

125 views

Regularity requirements for Sard's Theorem

asked Feb 28 at 10:17

5 votes

2 answers

411 views

Logarithm of a bounded operator

asked Nov 30, 2023 at 12:41

5 votes

1 answer

660 views

Embedding of a Banach space into a Hilbert space

asked Mar 12, 2021 at 12:14

5 votes

2 answers

129 views

On conics curves and increasing unions of ellipses

asked Mar 4, 2020 at 20:02

5 votes

1 answer

333 views

A special function solution of a fourth-order ODE

asked Nov 12, 2015 at 14:07

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107 Questions

Eigenvectors of the Fourier transformation

Largest known zero of the Riemann zeta function

Is this entire function a square?

Nonnegative smooth function as sum of squares of smooth functions

Surjectivity of curl

Uncertainty principle

Radon-Nikodym theorem for non-sigma finite measures

Poincaré lemma for distributions

Lipschitz-free spaces of $\mathbb R^n$

Inequality for Laguerre polynomials

Sharpening of Lindelöf hypothesis

On Glaeser's Theorem for non-smooth functions

Estimate for an Airy integral

On Integrals of the Airy function

Eigenstates of Fourier transformation

Generalized Hardy-Littlewood-Sobolev Inequality

Dual of Banach-valued $L^p$ [duplicate]

Paving conjecture for Toeplitz matrices

Lagrangean uniqueness versus Eulerian uniqueness

Real interpolation space between the Wiener algebra and $L^2$

Logarithmic integral, $π(x)$ and $x/(\ln x)$

The Schwartz space is not normable

On Glaeser's result for the square-root of a smooth non-negative function

A smooth function such that the second derivative of its absolute value is a distribution of positive order

Convolution of $L^2$ functions

Regularity requirements for Sard's Theorem

Logarithm of a bounded operator

Embedding of a Banach space into a Hilbert space

On conics curves and increasing unions of ellipses

A special function solution of a fourth-order ODE