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Top posts (258) All Questions Answers | Votes Newest

43 The maximum of a polynomial on the unit circle May 6 '11
35 “Circular” domination in ${\mathbb R}^4$ Nov 23 '13
25 The maximal “nearly convex” function Feb 9 '12
22 All polynomials are the sum of three others, each of which has only real roots Mar 11 '18
21 Erdős-Szekeres for first differences Mar 3 '12
20 Is the norm of a $0-1$ matrix (almost) attained on a $0-1$ vector? Oct 29 '10
20 Does $\binom{2n}{n} \equiv 2 \pmod p$ ever hold? Oct 10 '14
20 Number of vectors so that no two subset sums are equal Feb 15 '14
19 Does small Perron-Frobenius eigenvalue imply small entries for integral matrices? May 9 '14
19 The rank of a perturbed triangular matrix May 12 '17
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