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Hej's user avatar
Hej's user avatar
Hej
  • Member for 14 years, 2 months
  • Last seen more than 8 years ago
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Top posts
question
26
Primitive roots
Jan 28, 2011
question
21
Integer matrices with no integer eigenvalues
May 15, 2010
question
19
Is the semigroup of nonnegative integer matrices with determinant 1 finitely generated?
May 10, 2010
question
15
Is there a matrix C so that the trace of C^n is dense in R?
Feb 11, 2010
question
11
Symmetric functions on three parameters being perfect squares
Apr 17, 2012
question
4
A random walk on natural numbers
Feb 15, 2011
question
3
Kakeya sets on surfaces
Jun 8, 2012
question
1
Transitive Semigroups of $2\times 2$ matrices
Nov 11, 2010
question
1
Cycle double covering of cubic graphs
Jun 4, 2012
question
-1
Complements of images of complex analytic sets
May 29, 2014