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Stefan
  • Member for 11 years, 10 months
  • Last seen more than 11 years ago
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37
Prove that the set of $n$-by-$n$ real matrices with positive determinant is connected
31
Determinant of rank-one perturbations of (invertible) matrices
31
Closed ball is not compact
29
Do you need the Axiom of Choice to accept Cantor's Diagonal Proof?
18
looking for proof or partial proof of determinant conjecture