User Matthias Ludewig - MathOverflow

Matthias Ludewig

Member for 12 years, 9 months
Last seen this week

homepages.uni-regensburg.de/…
Regensburg

154 Questions

Score Activity Newest Views

40 votes

2 answers

3k views

Measurability and Axiom of choice

asked Jul 14, 2015 at 11:39

23 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

407 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

650 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

825 views

Pfaffian equals complex determinant?

asked Apr 19, 2016 at 9:06

10 votes

0 answers

732 views

Differential Forms in Infinite Dimensions

asked Aug 14, 2017 at 17:29

10 votes

1 answer

340 views

Group of isometries of Banach spaces a topological group?

asked Jan 28, 2022 at 10:26

10 votes

2 answers

1k views

An invariant method of stationary phase

asked Nov 27, 2012 at 19:55

10 votes

1 answer

466 views

Special Second-Order PDE

asked Jun 5, 2014 at 19:41

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

332 views

Picard-surjectivity and Morita-equivalence

asked Sep 30, 2020 at 10:08

9 votes

0 answers

433 views

Invariant polynomials in curvature tensor vs. characteristic classes

asked Feb 19, 2019 at 6:41

8 votes

1 answer

572 views

Long-time decay of heat kernel on compact manifolds

asked Nov 3, 2016 at 10:54

8 votes

0 answers

202 views

(Un)bounded Geometry and Sobolev Spaces

asked Dec 29, 2014 at 13:18

8 votes

0 answers

1k views

Can you make the cotangent bundle to a complex manifold?

asked Jan 5, 2012 at 12:33

8 votes

3 answers

1k views

Brownian motion on Metric spaces

asked Jul 3, 2013 at 14:46

8 votes

1 answer

276 views

Fiber product of spaces and cohomology

asked Oct 21, 2023 at 18:47

7 votes

3 answers

400 views

Are nearby subalgebras of matrix algebras conjugate?

asked Jan 17, 2022 at 16:16

7 votes

1 answer

431 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

7 votes

1 answer

871 views

Sharp Gaussian upper bounds on Heat Kernel

asked May 28, 2014 at 15:39

7 votes

1 answer

2k views

Solutions to the eikonal equation

asked Nov 29, 2011 at 22:40

1