User Matthias Ludewig

42 votes

2 answers

3k views

Measurability and Axiom of choice

asked Jul 14, 2015 at 11:39

24 votes

7 answers

5k views

Difference between parallel transport and derivative of the exponential map

asked Mar 31, 2013 at 14:55

16 votes

1 answer

3k views

Heat Kernel Asymptotics on Manifold with Boundary

asked Feb 26, 2013 at 10:16

15 votes

3 answers

6k views

Dirac measures dense in space of measures? [closed]

asked May 22, 2013 at 8:42

15 votes

4 answers

2k views

Positivity of certain Fourier transform

asked Dec 6, 2016 at 9:45

14 votes

1 answer

426 views

Realisation of maps between spheres by simplicial maps

asked Nov 9, 2017 at 14:24

14 votes

2 answers

1k views

Are smooth functions tame?

asked Aug 4, 2013 at 16:33

12 votes

1 answer

687 views

Trace formula for PSDOs

asked Jan 7, 2013 at 22:12

12 votes

2 answers

2k views

Connective spectra and infinite loop spaces

asked Sep 12, 2017 at 16:38

11 votes

1 answer

863 views

Pfaffian equals complex determinant?

asked Apr 19, 2016 at 9:06

10 votes

0 answers

762 views

Differential Forms in Infinite Dimensions

asked Aug 14, 2017 at 17:29

10 votes

2 answers

1k views

An invariant method of stationary phase

asked Nov 27, 2012 at 19:55

10 votes

1 answer

473 views

Special Second-Order PDE

asked Jun 5, 2014 at 19:41

10 votes

1 answer

368 views

Group of isometries of Banach spaces a topological group?

asked Jan 28, 2022 at 10:26

9 votes

3 answers

2k views

Gerbes and Stacks

asked Nov 12, 2014 at 10:08

9 votes

2 answers

1k views

Test functions with "wrong" topology not locally convex?

asked Apr 22, 2014 at 11:35

9 votes

1 answer

4k views

Fourier transform of a bounded function

asked May 9, 2013 at 14:04

9 votes

3 answers

1k views

Functions of pseudodifferential operators

asked Feb 8, 2012 at 22:29

9 votes

1 answer

609 views

Long-time decay of heat kernel on compact manifolds

asked Nov 3, 2016 at 10:54

9 votes

0 answers

450 views

Invariant polynomials in curvature tensor vs. characteristic classes

asked Feb 19, 2019 at 6:41

9 votes

1 answer

343 views

Picard-surjectivity and Morita-equivalence

asked Sep 30, 2020 at 10:08

8 votes

0 answers

208 views

(Un)bounded Geometry and Sobolev Spaces

asked Dec 29, 2014 at 13:18

8 votes

0 answers

2k views

Can you make the cotangent bundle to a complex manifold?

asked Jan 5, 2012 at 12:33

8 votes

1 answer

2k views

Solutions to the eikonal equation

asked Nov 29, 2011 at 22:40

8 votes

3 answers

1k views

Brownian motion on Metric spaces

asked Jul 3, 2013 at 14:46

8 votes

1 answer

369 views

Fiber product of spaces and cohomology

asked Oct 21, 2023 at 18:47

7 votes

1 answer

289 views

Group cohomology valued in a bimodule

asked Nov 27 at 22:44

7 votes

3 answers

409 views

Are nearby subalgebras of matrix algebras conjugate?

asked Jan 17, 2022 at 16:16

7 votes

1 answer

449 views

First Pontrjagin class and generator of $\pi_3(\mathrm{SO}(d))$

asked Mar 21, 2022 at 22:12

7 votes

2 answers

1k views

First order Elliptic operator

asked Nov 20, 2013 at 18:56

Stack Exchange Network

156 Questions

Measurability and Axiom of choice

Difference between parallel transport and derivative of the exponential map

Heat Kernel Asymptotics on Manifold with Boundary

Dirac measures dense in space of measures? [closed]

Positivity of certain Fourier transform

Realisation of maps between spheres by simplicial maps

Are smooth functions tame?

Trace formula for PSDOs

Connective spectra and infinite loop spaces

Pfaffian equals complex determinant?

Differential Forms in Infinite Dimensions

An invariant method of stationary phase

Special Second-Order PDE

Group of isometries of Banach spaces a topological group?

Gerbes and Stacks

Test functions with "wrong" topology not locally convex?

Fourier transform of a bounded function

Functions of pseudodifferential operators

Long-time decay of heat kernel on compact manifolds

Invariant polynomials in curvature tensor vs. characteristic classes

Picard-surjectivity and Morita-equivalence

(Un)bounded Geometry and Sobolev Spaces

Can you make the cotangent bundle to a complex manifold?

Solutions to the eikonal equation

Brownian motion on Metric spaces

Fiber product of spaces and cohomology

Group cohomology valued in a bimodule

Are nearby subalgebras of matrix algebras conjugate?

First Pontrjagin class and generator of $\pi_3(\mathrm{SO}(d))$

First order Elliptic operator