Computer Science
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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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  • New York, NY, USA
  • chaoxu
  • chaoxuprime.com
  • Member for 9 years, 1 month
  • 380 profile views
  • Last seen Feb 12 at 11:49

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Top posts (43)

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37 Is it NP-hard to fill up bins with minimum moves? Jun 3 '13
28 Subset sum problem with many divisibility conditions Aug 12 '12
23 Collectively pay the bill problem Jul 8 '12
14 Are runtime bounds decidable for anything nontrivial? Jun 7 '13
14 Sorting when there are only O(log n) many different numbers Aug 17 '14
13 Complexity of finding the pseudoinverse matrix Apr 23 '14
13 Use minimum number of swaps so each bin contains balls of the same color Jun 9 '13
10 Is the following extension of finite state automata studied? Oct 1 '16
10 A programming language that can only implement computable bijective functions? Nov 22 '12
9 Circles covering a rectangular, how to verify it? Apr 9 '13
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