Nick Salter

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Name	Nick Salter
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I'm a second-year graduate student at the University of Chicago.

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80

147

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8

answers

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Polynomial representing all nonnegative integers

nt.number-theory open-problem

nov 26 10 at 0:44 George Lowther 9,613●1●25●46

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45

votes

10

answers

3k

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Why certain diophantine equations are interesting (and others are not) ?

diophantine-equations arithmetic soft-question nt.number-theory

oct 25 10 at 16:12 Minhyong Kim 7,179●5●30●52

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22

votes

6

answers

3k

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How is representation theory used in modular/automorphic forms?

modular-forms automorphic-forms rt.representation-theory reference-request intuition

nov 12 10 at 6:30 Marc Palm 6,956●1●7●20

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21

votes

2

answers

2k

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Examples where the analogy between number theory and geometry fails

nt.number-theory ag.algebraic-geometry big-list examples

nov 3 10 at 14:37 Felipe Voloch 16.6k●2●36●61

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18

votes

2

answers

485

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The image of the point-pushing group in the hyperelliptic representation of the braid group

at.algebraic-topology gt.geometric-topology gr.group-theory mapping-class-groups braid-groups

aug 21 at 17:17 JSE 13.4k●33●83

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17

votes

4

answers

2k

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The Frobenius morphism

characteristic-p ag.algebraic-geometry schemes group-schemes

dec 21 10 at 6:07 Thomas Riepe 5,897●1●24●56

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16

votes

7

answers

1k

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Intuition behind Thom class

at.algebraic-topology

sep 23 at 8:55 Axel 385●7

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12

votes

1

answer

2k

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Fast Fourier Transform for Graph Laplacian?

linear-algebra fourier-analysis sp.spectral-theory graph-theory

aug 12 10 at 20:12 rcompton 483●8

6

12

votes

2

answers

501

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Are surface bundles over a surface with non-zero signature necessarily complex (or algebraic)?

complex-geometry ag.algebraic-geometry gt.geometric-topology dg.differential-geometry

apr 4 at 13:38 JL 1

6

12

votes

3

answers

1k

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A four-dimensional counterexample?

gt.geometric-topology complex-geometry dg.differential-geometry

jul 4 11 at 9:49 Misha Kapovich 61●1

7

11

votes

1

answer

382

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Homotopy theory for spanning trees of a graph

reference-request topological-graph-theory graph-theory gn.general-topology

nov 8 10 at 6:48 Dan Ramras 3,741●2●17●26

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3

votes

4

answers

614

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Nontrivial examples of non-trivial principal circle bundles

principal-bundles at.algebraic-topology fibre-bundles

aug 19 at 16:53 Ryan Budney 21.7k●1●40●101