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Henry Cohn
Cambridge, MA
http://math.mit.edu/~cohn
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Top Questions
23
votes
Integrability of the Cohen map
ds.dynamical-systems
integrable-systems
asked Apr 12, 2012 at 22:51
mathoverflow.net
Top Answers
137
Why do Bernoulli numbers arise everywhere?
mathoverflow.net
77
How fast can we *really* multiply matrices?
mathoverflow.net
68
What would be some major consequences of the inconsistency of ZFC?
mathoverflow.net
66
The gimbal lock shows up in my quaternions
mathoverflow.net
60
How closed-form conjectures are made?
mathoverflow.net
56
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mathoverflow.net
56
What items MUST appear on a mathematician's CV?
mathoverflow.net
46
Resources for mathematics advising.
mathoverflow.net
43
When does symmetry in an optimization problem imply that all variables are equal at optimality?
mathoverflow.net
42
Evidence for integer factorization is in $P$
mathoverflow.net
41
Understanding sphere packing in higher dimensions
mathoverflow.net
41
Can a pre-calculus student prove this?
math.stackexchange.com
37
What happened to online articles published in K-theory (Springer journal)?
mathoverflow.net
35
Is there a "mathematical" definition of "simplify"?
mathoverflow.net
32
Optimal sphere packings ==> Thinnest ball coverings?
mathoverflow.net
32
How should an analytic number theorist look at Bessel functions?
mathoverflow.net
30
Which hard mathematical problems do you have to solve to earn bitcoins ?
mathoverflow.net
23
Dense sphere packings which are not lattice packings
mathoverflow.net
23
Best known bounds on tensor rank of matrix multiplication of 3×3 matrices
mathoverflow.net
22
I would like to have a counter example that Peano's theorem does not apply to spaces with infinite dimension
mathoverflow.net
22
What is the largest possible thirteenth kissing sphere?
mathoverflow.net
21
Unit fraction, equally spaced denominators not integer
mathoverflow.net
21
Do you use the Mathematics Subject Classification (MSC) when searching for literature?
mathoverflow.net
21
Niemeier lattices and theta functions
mathoverflow.net
20
covering by spherical caps
mathoverflow.net
20
Could this unexpected bias in the distribution of consecutive primes have any impact on the security of encryption algorithms?
mathoverflow.net
20
Can the Legendre symbol be calculated in polynomial time?
mathoverflow.net
20
Deep theorems and long proofs
mathoverflow.net
20
Are isospectral manifolds necessarily homeomorphic?
mathoverflow.net
20
Encrypting a message for multiple recipients
mathoverflow.net
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