User G. Blaickner

18 votes

4 answers

4k views

What are the "hot" topics in mathematical QFT at the time?

asked Dec 23, 2021 at 11:36

14 votes

1 answer

937 views

Classification of 3-dimensional manifolds with boundary

asked Dec 8, 2021 at 20:07

9 votes

1 answer

792 views

Properties a triangulation must have in order to describe a manifold

asked Sep 7, 2021 at 16:28

8 votes

1 answer

823 views

General wedge-product for vector bundle valued forms

asked Jul 31, 2021 at 6:43

8 votes

0 answers

103 views

Sobolev embedding theorems in vector bundles on non-compact manifolds

asked Sep 14 at 16:18

7 votes

1 answer

354 views

Decomposition of manifolds with toroidal boundary

asked Dec 9, 2021 at 9:56

7 votes

2 answers

567 views

Intuition for Agmon-Douglis-Nirenberg ellipticity

asked Jan 25 at 13:50

6 votes

1 answer

248 views

Existence of adjoint operators on manifolds

asked Sep 13, 2023 at 9:28

6 votes

1 answer

370 views

"Classification" of (orientable) 3-manifolds with genus-g-surface as their boundary

asked Dec 19, 2021 at 13:51

6 votes

2 answers

401 views

Relations between $3j$-symbols and intertwiners

asked Jul 3, 2021 at 15:04

6 votes

1 answer

197 views

On elliptic operators on non-compact manifolds

asked Jul 30 at 13:06

5 votes

1 answer

372 views

Spin connection in the tetradic Palatini-formalism of general relativity

asked Jun 2, 2021 at 19:43

5 votes

0 answers

213 views

Elliptic regularity and Sobolev spaces

asked Oct 30, 2023 at 10:29

5 votes

1 answer

247 views

Space of spacelike embeddings as infinite-dimensional manifold

asked Nov 10, 2022 at 8:48

4 votes

1 answer

439 views

Etymology “Kulkarni–Nomizu product”

asked Dec 30, 2022 at 18:14

4 votes

1 answer

165 views

Dual spaces of Banach-valued $L^{p}$-spaces

asked May 2 at 8:49

3 votes

0 answers

126 views

On the linearized evolution equations in general relativity

asked Feb 28 at 11:14

3 votes

1 answer

538 views

Euler characteristic of pseudomanifolds with boundary

asked Sep 23, 2021 at 13:23

2 votes

0 answers

132 views

Definition of trace in topological BF-theories

asked Jul 26, 2021 at 15:27

2 votes

2 answers

148 views

Is any globally-hyperbolic manifold conformally equivalent to one with complete slices?

asked Nov 15, 2023 at 10:10

2 votes

0 answers

132 views

Elliptic equations and Fredholms alternative in the non-compact case

asked Jul 21, 2023 at 14:00

2 votes

0 answers

86 views

On the "integrality condition" of the bilinear form in the Chern-Simons action

asked Feb 28, 2022 at 14:36

2 votes

0 answers

43 views

Distributions and time-kernels

asked Nov 20 at 13:36

2 votes

0 answers

52 views

On distributions and kernels

asked Nov 26 at 9:35

1 vote

1 answer

134 views

Annulus theorem for pseudomanifolds

asked Mar 9, 2022 at 10:01

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25 Questions

What are the "hot" topics in mathematical QFT at the time?

Classification of 3-dimensional manifolds with boundary

Properties a triangulation must have in order to describe a manifold

General wedge-product for vector bundle valued forms

Sobolev embedding theorems in vector bundles on non-compact manifolds

Decomposition of manifolds with toroidal boundary

Intuition for Agmon-Douglis-Nirenberg ellipticity

Existence of adjoint operators on manifolds

"Classification" of (orientable) 3-manifolds with genus-g-surface as their boundary

Relations between $3j$-symbols and intertwiners

On elliptic operators on non-compact manifolds

Spin connection in the tetradic Palatini-formalism of general relativity

Elliptic regularity and Sobolev spaces

Space of spacelike embeddings as infinite-dimensional manifold

Etymology “Kulkarni–Nomizu product”

Dual spaces of Banach-valued $L^{p}$-spaces

On the linearized evolution equations in general relativity

Euler characteristic of pseudomanifolds with boundary

Definition of trace in topological BF-theories

Is any globally-hyperbolic manifold conformally equivalent to one with complete slices?

Elliptic equations and Fredholms alternative in the non-compact case

On the "integrality condition" of the bilinear form in the Chern-Simons action

Distributions and time-kernels

On distributions and kernels

Annulus theorem for pseudomanifolds