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Greg Kuperberg

Davis, CA

http://www.math.ucdavis.edu/~greg/

I am a professor at UC Davis.

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Top Questions
79 votes

Algorithm or theory of diagram chasing

kt.k-theory-homology at.algebraic-topology homological-algebra asked Dec 28 '09 at 2:34
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61 votes

The story about Milnor proving the Fáry-Milnor theorem

ho.history-overview gt.geometric-topology asked Feb 6 '11 at 10:17
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58 votes

Which region in the plane with a given area has the most domino tilings?

co.combinatorics open-problem asked Apr 1 '14 at 3:06
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39 votes

Complete discrete valuation rings with residue field ℤ/p

nt.number-theory asked Dec 26 '09 at 4:23
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36 votes

Do actual Sudoku puzzles have a unique rational solution?

sociology-of-math ho.history-overview co.combinatorics asked Jun 7 '10 at 15:28
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34 votes

The value $\pm 1$ for the square root of Wilson's theorem, ((p-1)/2)! mod p

nt.number-theory asked Feb 13 '13 at 6:26
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32 votes

Great mathematicians born 1850-1920 (ET Bell's book ≲ x ≲ Fields Medalists)

ho.history-overview asked Dec 30 '09 at 7:18
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30 votes

Concise model of modern fiat money and its non-conservation

ho.history-overview mathematical-economics asked Jan 27 '13 at 2:00
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24 votes

Given an integer polynomial, is there a small prime modulo which it has a root?

nt.number-theory riemann-hypothesis asked Nov 13 '11 at 2:50
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17 votes

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

nt.number-theory fields asked Dec 27 '09 at 6:24
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Top Answers
129
Does $\mathrm{Aut}(\mathrm{Aut}(…\mathrm{Aut}(G)…))$ stabilize?
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111
Does homeomorphic and isomorphic always imply homeomorphically isomorphic?
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102
Famous mathematical quotes
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76
Have any long-suspected irrational numbers turned out to be rational?
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72
New arXiv procedures?
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65
Poincaré Conjecture and the Shape of the Universe
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55
Definitions of Hecke algebras
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54
The Relationship between Complex and Algebraic Geomety
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52
Open problems with monetary rewards
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51
Does anyone know what “Quantum Computing” is?
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51
Barrelled, bornological, ultrabornological, semi-reflexive, … how are these used?
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50
Big-oh vs big-theta
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50
New arXiv procedures?
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48
Is there a preferable convention for defining the wedge product?
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47
Why should one still teach Riemann integration?
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47
Intuition behind the definition of quantum groups
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45
Is there a slick proof of the classification of finitely generated abelian groups?
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44
Categories First Or Categories Last In Basic Algebra?
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44
How many tacks fit in the plane?
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43
Why is the Gamma function shifted from the factorial by 1?
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42
What's an example of a space that needs the Hahn-Banach Theorem?
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42
Can every manifold be given an analytic structure?
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41
Proofs of Bott periodicity
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41
Why are fusion categories interesting?
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41
Memorizing theorems
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41
On the proofs (and disproofs) of Riemann Hypothesis
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38
Are all polynomial inequalities deducible from the trivial inequality?
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38
Why is the Laplacian ubiquitous?
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37
Cures for mathematician's block (as in writer's block)
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37
The inverse Galois problem, what is it good for?
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