User Qwertuy

18 votes

1 answer

2k views

What is the intuition behind the name "Flat modules"?

asked May 2, 2014 at 12:30

17 votes

1 answer

3k views

Confusion with the narrow and weak* convergence of measures

asked Oct 14, 2015 at 12:54

9 votes

1 answer

973 views

Probability and Quantum mechanics

asked Nov 21, 2014 at 12:07

7 votes

2 answers

741 views

Curvature tensors and bivectors

asked May 10, 2015 at 23:58

6 votes

1 answer

1k views

Smooth version of Tietze extension theorem

asked Mar 12, 2015 at 17:15

5 votes

1 answer

541 views

The Scorza-Dragoni theorem as a consequence of Egorov's theorem?

asked Oct 17, 2015 at 15:45

4 votes

1 answer

229 views

Is the span of the set of Slater determinants dense (in some sense) in the space of antisymmetric functions?

asked Sep 18, 2017 at 10:42

3 votes

2 answers

1k views

Diagonalization of very large (but very simple) sparse matrix

asked Dec 16, 2019 at 16:10

3 votes

2 answers

170 views

Quasiconformal mappings: Metric deffinition

asked Feb 21, 2015 at 16:09

3 votes

0 answers

353 views

Dual Radon transform: different conventions?

asked Nov 8, 2014 at 14:10

2 votes

1 answer

317 views

An integral resulting from perturbation theory

asked Mar 19, 2019 at 14:11

2 votes

0 answers

322 views

Smallest eigenvalue (and associated eigenvector) of very large sparse matrix

asked Nov 28, 2019 at 10:29

1 vote

0 answers

53 views

Eigenvalues of sum of two matrices

asked Jul 9, 2019 at 7:49

1 vote

1 answer

66 views

Finding closest vector to the solution of a matrix equation in a given hypercube

asked Apr 19, 2021 at 10:38

1 vote

1 answer

41 views

Enumerate and label sequences of 1's and 0's with fixed number of 1's

asked Nov 4, 2021 at 14:24

1 vote

0 answers

37 views

Antisymmetric functions in $L^2([-1,1])$ and their expression as determinants

asked Dec 30, 2021 at 12:49

1 vote

0 answers

203 views

An identity for the Laplace transform of a random variable and Isserlis theorem

asked May 5, 2018 at 9:57

1 vote

0 answers

37 views

In search of a trick for a multiple integral with difficult integration limits

asked Feb 11, 2019 at 13:52

1 vote

0 answers

51 views

Probability of a being at a certain state after some time

asked Feb 12, 2019 at 13:09

1 vote

1 answer

269 views

On Newman/Zagier's proof of PNT

asked Jun 7, 2014 at 17:59

1 vote

1 answer

382 views

Surface measure and the wave equation

asked Sep 22, 2014 at 19:48

1 vote

1 answer

322 views

a priori estimates involving Sobolev norms

asked Mar 22, 2015 at 16:35

1 vote

0 answers

75 views

Explicit solution for conductivity equation with discontinuity

asked Mar 25, 2015 at 0:59

1 vote

0 answers

284 views

$L^{\infty}$ estimate on the boundary by means of Sobolev norms in the interior

asked Apr 4, 2015 at 11:45

1 vote

0 answers

149 views

Well-posedness of semilinear elliptic equations

asked May 6, 2015 at 23:30

1 vote

0 answers

514 views

Singer & Thorpe Theorem on the curvature of 4-dimensional Einstein spaces

asked May 20, 2015 at 10:39

1 vote

0 answers

148 views

References for microlocal versions of some theorems

asked Jul 11, 2015 at 0:52

1 vote

1 answer

46 views

Nonlocal Diffusion Coefficients

asked Dec 17, 2015 at 10:18

1 vote

1 answer

212 views

Numerical reconstruction of a scalar function from its gradient

asked Mar 2, 2017 at 13:50

0 votes

0 answers

165 views

How do we define fractional Sobolev spaces on manifolds?

asked Nov 15, 2014 at 21:17

Stack Exchange Network

31 Questions

What is the intuition behind the name "Flat modules"?

Confusion with the narrow and weak* convergence of measures

Probability and Quantum mechanics

Curvature tensors and bivectors

Smooth version of Tietze extension theorem

The Scorza-Dragoni theorem as a consequence of Egorov's theorem?

Is the span of the set of Slater determinants dense (in some sense) in the space of antisymmetric functions?

Diagonalization of very large (but very simple) sparse matrix

Quasiconformal mappings: Metric deffinition

Dual Radon transform: different conventions?

An integral resulting from perturbation theory

Smallest eigenvalue (and associated eigenvector) of very large sparse matrix

Eigenvalues of sum of two matrices

Finding closest vector to the solution of a matrix equation in a given hypercube

Enumerate and label sequences of 1's and 0's with fixed number of 1's

Antisymmetric functions in $L^2([-1,1])$ and their expression as determinants

An identity for the Laplace transform of a random variable and Isserlis theorem

In search of a trick for a multiple integral with difficult integration limits

Probability of a being at a certain state after some time

On Newman/Zagier's proof of PNT

Surface measure and the wave equation

a priori estimates involving Sobolev norms

Explicit solution for conductivity equation with discontinuity

$L^{\infty}$ estimate on the boundary by means of Sobolev norms in the interior

Well-posedness of semilinear elliptic equations

Singer & Thorpe Theorem on the curvature of 4-dimensional Einstein spaces

References for microlocal versions of some theorems

Nonlocal Diffusion Coefficients

Numerical reconstruction of a scalar function from its gradient

How do we define fractional Sobolev spaces on manifolds?