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mikhail skopenkov's user avatar
mikhail skopenkov's user avatar
mikhail skopenkov's user avatar
mikhail skopenkov
  • Member for 13 years, 7 months
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question
24
Pythagorean 5-tuples
Apr 24, 2011
answer
24
Is the Laplacian on a manifold the limit of graph Laplacians?
Jun 4, 2011
question
23
Convergence of finite element method: counterexamples
Sep 12, 2011
answer
16
Is the ring of quaternionic polynomials factorial?
Mar 5, 2012
question
15
Is the ring of quaternionic polynomials factorial?
Feb 21, 2012
question
10
When the determinant of a 2x2 polynomial matrix is a square?
Oct 25, 2011
answer
7
Coefficients in cohomology
Apr 30, 2011
answer
7
An Erdős-Szekeres-type question
Jun 15, 2011
answer
6
Parametrization of the intersection of an ellipsoid with a sphere
May 30, 2011
question
5
Canonical form for a pair of quadratic forms
Apr 24, 2011