User Bazin

18 votes

3 answers

7k views

Eigenvectors of the Fourier transformation

asked May 10, 2016 at 12:47

18 votes

2 answers

2k views

Is this entire function a square?

asked Jul 11, 2023 at 10:11

17 votes

3 answers

3k views

Largest known zero of the Riemann zeta function

asked Mar 8, 2017 at 10:24

16 votes

1 answer

800 views

Nonnegative smooth function as sum of squares of smooth functions

asked Aug 31, 2012 at 20:28

16 votes

2 answers

766 views

Surjectivity of curl

asked Jan 17, 2015 at 20:47

15 votes

2 answers

3k views

Radon-Nikodym theorem for non-sigma finite measures

asked Jan 6, 2017 at 14:17

14 votes

1 answer

1k views

Uncertainty principle

asked Oct 19, 2016 at 13:21

11 votes

2 answers

712 views

Poincaré lemma for distributions

asked Feb 12, 2016 at 19:37

9 votes

3 answers

684 views

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

asked Mar 19, 2015 at 17:16

9 votes

3 answers

977 views

Sharpening of Lindelöf hypothesis

asked Sep 6, 2012 at 12:06

8 votes

1 answer

532 views

Inequality for Laguerre polynomials

asked Mar 17, 2014 at 20:18

8 votes

2 answers

345 views

On Glaeser's Theorem for non-smooth functions

asked Apr 24, 2020 at 12:16

8 votes

1 answer

480 views

On commutator of bounded operators

asked May 6 at 10:33

7 votes

2 answers

511 views

Estimate for an Airy integral

asked Aug 24, 2020 at 10:47

7 votes

1 answer

256 views

On Integrals of the Airy function

asked Sep 3, 2020 at 19:43

7 votes

2 answers

469 views

Eigenstates of Fourier transformation

asked Sep 15, 2014 at 18:19

7 votes

1 answer

4k views

The Schwartz space is not normable

asked Sep 11, 2015 at 9:01

6 votes

3 answers

2k views

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

asked Jun 25, 2015 at 19:59

6 votes

0 answers

161 views

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

asked Jun 9, 2015 at 16:35

6 votes

1 answer

797 views

Global existence for infinite dimensional ODE

asked Mar 5, 2015 at 17:02

6 votes

3 answers

2k views

Generalized Hardy-Littlewood-Sobolev Inequality

asked Sep 23, 2014 at 19:55

6 votes

1 answer

851 views

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

asked Jan 28, 2015 at 17:48

6 votes

0 answers

369 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

1 answer

320 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

375 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

962 views

Convolution of $L^2$ functions

asked May 19, 2023 at 16:24

5 votes

1 answer

147 views

Regularity requirements for Sard's Theorem

asked Feb 28 at 10:17

5 votes

2 answers

458 views

Logarithm of a bounded operator

asked Nov 30, 2023 at 12:41

5 votes

1 answer

724 views

Embedding of a Banach space into a Hilbert space

asked Mar 12, 2021 at 12:14

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111 Questions

Eigenvectors of the Fourier transformation

Is this entire function a square?

Largest known zero of the Riemann zeta function

Nonnegative smooth function as sum of squares of smooth functions

Surjectivity of curl

Radon-Nikodym theorem for non-sigma finite measures

Uncertainty principle

Poincaré lemma for distributions

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

Sharpening of Lindelöf hypothesis

Inequality for Laguerre polynomials

On Glaeser's Theorem for non-smooth functions

On commutator of bounded operators

Estimate for an Airy integral

On Integrals of the Airy function

Eigenstates of Fourier transformation

The Schwartz space is not normable

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

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

Global existence for infinite dimensional ODE

Generalized Hardy-Littlewood-Sobolev Inequality

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

Paving conjecture for Toeplitz matrices

Lagrangean uniqueness versus Eulerian uniqueness

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