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Top Questions
27
votes
The Galois group of a random polynomial
galois-theory
nt.number-theory
asked Mar 14, 2011 at 8:22
mathoverflow.net
18
votes
Lifting varieties to characteristic zero.
ag.algebraic-geometry
cohomology
crystals
characteristic-p
asked May 20, 2010 at 9:54
mathoverflow.net
15
votes
Are Chow groups generated by local complete intersections?
ag.algebraic-geometry
chow-groups
intersection-theory
asked Apr 3, 2011 at 13:07
mathoverflow.net
15
votes
Converse to Banach's fixed point theorem?
fixed-point-theorems
metric-spaces
asked May 27, 2010 at 8:35
mathoverflow.net
14
votes
Geometry for Anderson's motives?
ag.algebraic-geometry
nt.number-theory
soft-question
asked May 11, 2010 at 19:43
mathoverflow.net
11
votes
An elementary linear algebra problem
linear-algebra
ag.algebraic-geometry
asked Jan 24, 2012 at 14:46
mathoverflow.net
10
votes
What Dirichlet doesn't tell...
nt.number-theory
galois-theory
arithmetic-progression
asked Aug 5, 2011 at 14:03
mathoverflow.net
9
votes
Dense sphere packings which are not lattice packings
lattices
geometry
asked Apr 7, 2011 at 10:18
mathoverflow.net
9
votes
Are algebraic groups defined by their invariants in tensor spaces?
rt.representation-theory
algebraic-groups
tannakian-category
asked Apr 11, 2012 at 8:38
mathoverflow.net
8
votes
Extensions of an infinite product of copies of Z by Z
ra.rings-and-algebras
gr.group-theory
homological-algebra
asked Sep 29, 2010 at 17:13
mathoverflow.net
1
2
3
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Top Answers
40
Applications of connectedness
mathoverflow.net
18
Tannaka formalism and the étale fundamental group
mathoverflow.net
18
Looking for an interesting problem/riddle involving triple integrals.
mathoverflow.net
12
Non-absolute convergence of series with asymtotically equal coefficients
mathoverflow.net
12
Are the rationals homeomorphic to any power of the rationals?
mathoverflow.net
11
Two Definitions of "Character" of topological groups
mathoverflow.net
10
eBook readers for mathematics
mathoverflow.net
6
Do representations of finite groups of Lie type preserve diagonalizable elements?
mathoverflow.net
6
Mumford-Tate groups and Hodge structures
mathoverflow.net
6
Is projectivity local on the base?
mathoverflow.net
5
Torsion of elliptic curves is finite
mathoverflow.net
5
Logarithm of complex matrices in holomorphic families
mathoverflow.net
5
Closed subgroups of a $p$-adic algebraic group
mathoverflow.net
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