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Jack L.

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6 Jordan curves admitting only acyclic inscriptions of squares Oct 7
4 Scottish Book Problem 172 Oct 8
3 Is there a non-degenerate quadratic form on every finite abelian group? Oct 14
2 Sign changes of a sequence Oct 16
1 Inclusion of infinite intersection Oct 27
1 For $n$ different sets whose union has size $n+1$ ,can you remove the same point from each set while retaining their difference Nov 11
0 Non-singular matrix with restricted entries Nov 12

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