Ryan Thorngren

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Registered User

Name	Ryan Thorngren
Member for	3 years
Seen	yesterday
Website
Location	Caltech
Age	21

an undergraduate

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71

125

votes

8

answers

5k

views

Two commuting mappings in the disk

gn.general-topology open-problem

may 14 at 11:22 Daniele Zuddas 808●2●9

31

53

votes

6

answers

4k

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Theoretical physics: Why not just R^4?

mp.mathematical-physics reference-request differential-topology four-manifolds

mar 22 11 at 6:50 Kelly Davis 1,093●1●7●16

28

46

votes

6

answers

4k

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Is there an underlying explanation for the magical powers of the Schwarzian derivative?

dg.differential-geometry ds.dynamical-systems projective-geometry schwarzian-derivative

dec 9 at 20:34 Peter Michor 5,422●10●17

14

32

votes

5

answers

3k

views

Which graphs are Cayley graphs?

gr.group-theory computability-theory set-theory lo.logic graph-theory

feb 21 10 at 21:39 JSE 13.4k●33●83

6

24

votes

1

answer

936

views

Important open questions in the field of Tropical geometry

tropical-geometry open-problem short-list open-problems-list

jul 29 at 7:32 Alexander Chervov 7,103●1●16●41

15

20

votes

1

answer

883

views

Criteria for boundedness of power series

fa.functional-analysis ca.analysis-and-odes

jul 24 10 at 20:58 Andreas Rüdinger 1,556●3●14

5

7

votes

1

answer

512

views

Coherent states vs quantization of Lagrangian submanifold

mp.mathematical-physics qa.quantum-algebra quantization

feb 8 12 at 19:49 Alexander Chervov 7,103●1●16●41

3

4

votes

3

answers

850

views

Computing `$\pi_1 S^1$` using groupoids

fundamental-group at.algebraic-topology

jan 10 12 at 11:20 David Roberts 11.7k●2●18●55