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DOT
  • Member for 14 years, 1 month
  • Last seen more than 7 years ago
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question
4
For which linear endomorphisms can one find a basis such that the matrix is nonnegative?
Oct 29, 2010
question
3
Obtaining each set (hyperedge) in a set system (hypergraph) as a union of sets in a smaller set sytem
Jul 31, 2013
question
3
Number rank-k 0-1 matrices (characteristic 0)
Sep 29, 2013