User Konrad Waldorf

114 votes

19 answers

42k views

What is the definition of "canonical"?

asked Mar 28, 2010 at 18:16

17 votes

1 answer

2k views

Which Fréchet manifolds have a smooth partition of unity?

asked Feb 22, 2010 at 23:39

15 votes

0 answers

536 views

Reference for equivariant Atiyah-Jänich theorem

asked Jan 5, 2017 at 12:35

15 votes

0 answers

202 views

Are Lie groupoids just groupoids internal to smooth manifolds?

asked Apr 2 at 8:15

10 votes

3 answers

1k views

Why is the string group not a Lie group?

asked Sep 24, 2010 at 7:24

9 votes

0 answers

308 views

Refinement of hypercovers by ordinary covers

asked Apr 18, 2021 at 11:44

7 votes

1 answer

1k views

When is a sheaf of smooth functions acylic?

asked Jun 25, 2010 at 13:23

7 votes

0 answers

120 views

Example of a groupoid internal to the category of smooth manifolds that is not a Lie groupoid

asked Mar 21 at 8:09

5 votes

1 answer

209 views

3-cocycles on outer automorphism groups

asked Apr 20, 2022 at 19:13

3 votes

1 answer

109 views

Question about equivalence of two expressions for the Quantum Fourier transformation

asked Jun 16, 2023 at 9:52

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10 Questions

What is the definition of "canonical"?

Which Fréchet manifolds have a smooth partition of unity?

Reference for equivariant Atiyah-Jänich theorem

Are Lie groupoids just groupoids internal to smooth manifolds?

Why is the string group not a Lie group?

Refinement of hypercovers by ordinary covers

When is a sheaf of smooth functions acylic?

Example of a groupoid internal to the category of smooth manifolds that is not a Lie groupoid

3-cocycles on outer automorphism groups

Question about equivalence of two expressions for the Quantum Fourier transformation