Greg Kuperberg

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Name Greg Kuperberg
Member for 2 years
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Location Davis, CA
Age 44
I am a professor at UC Davis.

17

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Algorithm or theory of diagram chasing

jun 24 10 at 15:01 Greg Kuperberg 32.6k●2●102●163

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Complete discrete valuation rings with residue field ℤ/p

jan 3 10 at 10:22 Chandan Singh Dalawat 7,854●1●24●52

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When f(x)-a and f(x)-b yield the same field extension

dec 27 09 at 16:32 Greg Kuperberg 32.6k●2●102●163

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Countable Hom/Ext implies finitely generated

jul 23 10 at 16:23 Greg Kuperberg 32.6k●2●102●163

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Schemes over ℤ with a “graded existence over 𝔽₁”

oct 21 at 18:15 Greg Kuperberg 32.6k●2●102●163

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390

Answers
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94
New arXiv procedures? (2)
73
Does $Aut(Aut(…Aut(G)…))$ stabilize?
58
Does homeomorphic and isomorphic always imply homeomorphically isomorphic?
47
Famous mathematical quotes
44
Have any long-suspected irrational numbers turned out to be rational?
40
Categories First Or Categories Last In Basic Algebra?
40
Definitions of Hecke algebras
37
Poincaré Conjecture and the Shape of the Universe
33
The Relationship between Complex and Algebraic Geomety
31
Is there a slick proof of the classification of finitely generated abelian groups?
30
On the proofs (and disproofs) of Riemann Hypothesis
29
Why are spectral sequences so ubiquitous?
29
What should be offered in undergraduate mathematics that’s currently not (or isn’t usually)?
29
Why should one still teach Riemann integration?
28
Pedagogical question about linear algebra
27
Combinatorial Techniques for Counting Conjugacy Classes
27
Are all polynomial inequalities deducible from the trivial inequality?
26
Proofs of Bott periodicity
26
Cures for mathematician’s block (as in writer’s block)
26
Combinatorial results without known combinatorial proofs
26
Why is the Laplacian ubiquitous?
25
Memorizing theorems
25
What (if anything) happened to Intersection Homology?
25
Why is proving P != NP so hard?
24
Is there a preferable convention for defining the wedge product?
23
How many tacks fit in the plane?
22
Can every manifold be given an analytic structure?
22
Homotopies of triangulations
22
One-step problems in geometry (4)
22
What’s an example of a space that needs the Hahn-Banach Theorem?
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