User Bazin

12

16

votes

3

answers

5k

views

Eigenvectors of the Fourier transformation

May 11 '16 at 13:27 CommunityBot 1

3

15

votes

1

answer

601

views

Nonnegative smooth function as sum of squares of smooth functions

ca.classical-analysis-and-odes dg.differential-geometry

Sep 1 '12 at 20:05 Igor Rivin 93k

2

14

votes

3

answers

2k

views

Largest known zero of the Riemann Zeta function

riemann-zeta-function riemann-hypothesis

Jul 13 at 17:29 Mats Granvik 973

1

14

votes

1

answer

1k

views

Uncertainty principle

ca.classical-analysis-and-odes mp.mathematical-physics harmonic-analysis

Oct 20 '16 at 9:33 AshleySewell123 1

2

14

votes

2

answers

661

views

Surjectivity of curl

ca.classical-analysis-and-odes ap.analysis-of-pdes fluid-dynamics

Jan 30 '15 at 14:41 CommunityBot 1

6

11

votes

2

answers

2k

views

Radon-Nikodym theorem for non-sigma finite measures

measure-theory lebesgue-measure hausdorff-measure

Sep 7 '18 at 2:26 Detached Laconian 103

5

10

votes

3

answers

608

views

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

fa.functional-analysis banach-spaces preduals

Sep 28 '17 at 19:39 Tomasz Kania 9,986

3

10

votes

2

answers

541

views

Poincaré lemma for distributions

fa.functional-analysis ap.analysis-of-pdes cohomology linear-pde schwartz-distributions

Feb 26 '16 at 13:48 Ali Taghavi 187

9

votes

1

answer

426

views

Inequality for Laguerre polynomials

inequalities special-functions orthogonal-polynomials

Jan 30 '18 at 21:45 F. C. 3,265

3

9

votes

3

answers

930

views

Sharpening of Lindelöf hypothesis

nt.number-theory riemann-zeta-function

Sep 8 '12 at 3:37 anonnn 41

3

8

votes

2

answers

297

views

On Glaeser's Theorem for non-smooth functions

dg.differential-geometry smoothness

Apr 24 '20 at 21:48 RobPratt 3,086

1

7

votes

1

answer

135

views

On Integrals of the Airy function

differential-equations special-functions

Sep 3 '20 at 22:14 fedja 50.7k

2

7

votes

2

answers

495

views

Estimate for an Airy integral

ca.classical-analysis-and-odes special-functions

Aug 24 '20 at 14:00 Fedor Petrov 83k

2

7

votes

2

answers

395

views

Eigenstates of Fourier transformation

fa.functional-analysis fourier-analysis schwartz-distributions fourier-transform

Sep 16 '14 at 1:46 paul garrett 20.7k

6

votes

2

answers

168

views

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

schwartz-distributions smoothness

May 27 at 18:59 Michael Renardy 12.4k

1

6

votes

1

answer

179

views

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

real-analysis smoothness

Aug 1 '20 at 16:02 CommunityBot 1

3

6

votes

3

answers

1k

views

Generalized Hardy-Littlewood-Sobolev Inequality

fa.functional-analysis real-analysis banach-spaces harmonic-analysis inequalities

Sep 8 '15 at 20:01 pavel 587

6

votes

0

answers

151

views

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

fa.functional-analysis banach-spaces fourier-transform interpolation-spaces besov-spaces

Jun 11 '15 at 11:41 Bazin 13k

1

6

votes

1

answer

370

views

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

banach-spaces duality

Jan 29 '15 at 11:00 Bazin 13k

3

6

votes

0

answers

135

views

Lagrangean uniqueness versus Eulerian uniqueness

ap.analysis-of-pdes ca.classical-analysis-and-odes differential-equations

Nov 29 '12 at 21:21 Bazin 13k

1

6

votes

0

answers

349

views

Paving conjecture for Toeplitz matrices

fa.functional-analysis oa.operator-algebras qa.quantum-algebra sp.spectral-theory

Oct 29 '12 at 13:51 Bazin 13k

2

5

votes

2

answers

113

views

On conics curves and increasing unions of ellipses

mg.metric-geometry plane-geometry conic-sections

Mar 5 '20 at 16:54 Bazin 13k

3

5

votes

1

answer

463

views

Global existence for infinite dimensional ODE

ca.classical-analysis-and-odes

May 6 '18 at 13:05 Pietro Majer 50.3k

1

5

votes

0

answers

206

views

Faà di Bruno formula

ca.classical-analysis-and-odes

Jan 24 '16 at 19:13 CommunityBot 1

5

votes

1

answer

285

views

A special function solution of a fourth-order ODE

differential-equations terminology special-functions

Nov 12 '15 at 19:12 Carlo Beenakker 136k

4

5

votes

1

answer

2k

views

The Schwartz space is not normable

schwartz-distributions metric-spaces

Sep 11 '15 at 14:47 Nate Eldredge 27.1k

2

5

votes

3

answers

1k

views

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

nt.number-theory prime-numbers analytic-number-theory prime-number-theorem

Jul 23 '15 at 19:38 Kevin Yang 128

5

votes

4

answers

3k

views

Non-separable Banach space

fa.functional-analysis gn.general-topology banach-spaces metric-spaces

Mar 23 '15 at 11:14 Ian Morris 5,889

1

5

votes

0

answers

210

views

Discrete versus Continuous Hilbert Transform

fa.functional-analysis operator-theory integral-transforms fourier-transform integral-operators

Oct 6 '14 at 16:12 Ricardo Andrade 6,079

4

5

votes

1

answer

277

views

Embeddings of Sobolev spaces

fa.functional-analysis sobolev-spaces

Apr 29 '14 at 11:12 Piero D'Ancona 7,319

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94 Questions

Eigenvectors of the Fourier transformation

Nonnegative smooth function as sum of squares of smooth functions

Largest known zero of the Riemann Zeta function

Uncertainty principle

Surjectivity of curl

Radon-Nikodym theorem for non-sigma finite measures

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

Poincaré lemma for distributions

Inequality for Laguerre polynomials

Sharpening of Lindelöf hypothesis

On Glaeser's Theorem for non-smooth functions

On Integrals of the Airy function

Estimate for an Airy integral

Eigenstates of Fourier transformation

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

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

Generalized Hardy-Littlewood-Sobolev Inequality

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

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

Lagrangean uniqueness versus Eulerian uniqueness

Paving conjecture for Toeplitz matrices

On conics curves and increasing unions of ellipses

Global existence for infinite dimensional ODE

Faà di Bruno formula

A special function solution of a fourth-order ODE

The Schwartz space is not normable

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

Non-separable Banach space

Discrete versus Continuous Hilbert Transform

Embeddings of Sobolev spaces