User Amir Sagiv

26 votes

3 answers

3k views

Who first proved ergodicity of irrational rotations of the circle?

asked May 16, 2017 at 6:58

18 votes

2 answers

3k views

Solutions-set first order ODE's without uniqueness

asked Mar 21, 2016 at 7:19

15 votes

1 answer

1k views

Research semester in math

asked Sep 30, 2018 at 21:18

14 votes

2 answers

1k views

Computing Gauss Legendre quadrature for large $N$

asked Apr 25, 2015 at 6:18

13 votes

4 answers

3k views

General Relativity and Differential Geometry intuitions of Second Bianchi Identity

asked May 10, 2016 at 5:21

11 votes

2 answers

611 views

Spherical harmonics – pointwise and L1 bounds

asked Nov 29, 2020 at 23:37

10 votes

2 answers

476 views

Proving a system is nonintegrable /not solvable with Inverse Scattering Transform

asked Apr 25, 2017 at 19:55

9 votes

2 answers

1k views

Recurrence of Legendre polynomial roots/ quadrature points

asked Sep 4, 2016 at 19:41

8 votes

1 answer

665 views

Measure without measurable sets

asked May 16, 2023 at 1:16

7 votes

5 answers

1k views

Generalizations of the Euler–Maclaurin Summation Formula

asked May 23, 2016 at 7:02

6 votes

2 answers

764 views

Symmetric matrix formula for Gauss-Legendre quadrature

asked Apr 13, 2016 at 9:30

6 votes

2 answers

298 views

maximal distance of nearby iid unifrom random variables

asked Feb 19, 2018 at 9:35

6 votes

1 answer

488 views

KPZ-NLS-Burgers relationship

asked Sep 20, 2017 at 22:03

5 votes

1 answer

3k views

Rigorous multivariate differentiation of integral with moving boundaries (Leibniz integral rule)

asked May 16, 2018 at 12:53

5 votes

1 answer

748 views

Sobolev convergence of Fourier series

asked Mar 23, 2020 at 3:37

5 votes

1 answer

685 views

Harmonic Crystal using Random Walk

asked Nov 10, 2014 at 11:21

5 votes

2 answers

2k views

$L^{\infty}$ polynomial approximation

asked Apr 3, 2016 at 12:35

5 votes

2 answers

1k views

Derivatives of $C^{\infty}$ non analytic function

asked Dec 6, 2016 at 20:39

4 votes

1 answer

240 views

Nonlinear Elliptic PDE in 2D

asked Aug 7, 2016 at 11:58

4 votes

1 answer

1k views

Variational proof for minimum curvature of cubic splines

asked May 15, 2017 at 20:53

4 votes

1 answer

458 views

Polynomial interpolants in quadrature points and L2 convergence spectral rate

asked Dec 18, 2016 at 12:06

4 votes

3 answers

698 views

Interpolation by rational functions reference

asked Dec 19, 2016 at 21:27

4 votes

1 answer

792 views

Reference for the exponential decay of Legendre coefficients

asked Apr 4, 2016 at 10:55

4 votes

2 answers

583 views

Orthogonal Polynomials and Sturm Liouville operators

asked Nov 26, 2018 at 23:53

4 votes

0 answers

107 views

Biharmonic heat flow on compact manifolds

asked Nov 3, 2019 at 2:58

3 votes

0 answers

77 views

Logarithmic Sobolev growth of time-space-periodic Schrödinger solutions

asked Feb 14, 2020 at 15:53

3 votes

1 answer

153 views

Tight L2 bound on moments approximation and reference

asked Nov 3, 2017 at 7:02

3 votes

0 answers

191 views

Karhunen-Loeve expansion convergence rate for Gaussian Proccess

asked Jun 2, 2016 at 11:35

2 votes

0 answers

66 views

A proper class for smooth chaotic function

asked Apr 20, 2016 at 11:29

2 votes

1 answer

182 views

Modulus of Continuity for an Analytic Function on an Ellipse

asked Apr 10, 2016 at 17:57

Stack Exchange Network

63 Questions

Who first proved ergodicity of irrational rotations of the circle?

Solutions-set first order ODE's without uniqueness

Research semester in math

Computing Gauss Legendre quadrature for large $N$

General Relativity and Differential Geometry intuitions of Second Bianchi Identity

Spherical harmonics – pointwise and L1 bounds

Proving a system is nonintegrable /not solvable with Inverse Scattering Transform

Recurrence of Legendre polynomial roots/ quadrature points

Measure without measurable sets

Generalizations of the Euler–Maclaurin Summation Formula

Symmetric matrix formula for Gauss-Legendre quadrature

maximal distance of nearby iid unifrom random variables

KPZ-NLS-Burgers relationship

Rigorous multivariate differentiation of integral with moving boundaries (Leibniz integral rule)

Sobolev convergence of Fourier series

Harmonic Crystal using Random Walk

$L^{\infty}$ polynomial approximation

Derivatives of $C^{\infty}$ non analytic function

Nonlinear Elliptic PDE in 2D

Variational proof for minimum curvature of cubic splines

Polynomial interpolants in quadrature points and L2 convergence spectral rate

Interpolation by rational functions reference

Reference for the exponential decay of Legendre coefficients

Orthogonal Polynomials and Sturm Liouville operators

Biharmonic heat flow on compact manifolds

Logarithmic Sobolev growth of time-space-periodic Schrödinger solutions

Tight L2 bound on moments approximation and reference

Karhunen-Loeve expansion convergence rate for Gaussian Proccess

A proper class for smooth chaotic function

Modulus of Continuity for an Analytic Function on an Ellipse