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Chao Xu

Research Scientist at Yahoo! Research.

I'm interested in algorithms, combinatorial optimization, computational geometry and problem solving in general.

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  • Last seen Feb 12 at 11:49

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16 Smallest area shape that covers all unit length curve Jul 19 '10
10 Problem suggestions for polymath for undergraduates research Jul 9 '10
6 Computational complexity of the word problem for semi-Thue systems with certain restrictions Jun 18 '10
5 Conjugacy problem for small braid groups Jul 17 '11
3 Space of simple polygons on $n$-vertices as a set of points in $\mathbb{R}^{2n}$ Nov 9 '13
3 Size of the smallest union chain containing a family May 12 '20
2 Bounds for relative totient function for small values Oct 23 '16
2 Change of generators and shortest product in groups Mar 5 '17
2 Random parking problem on a probability distribution Jan 2 '11

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