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Computer Science
Chao Xu's user avatar
Chao Xu's user avatar
Chao Xu's user avatar
Chao Xu
  • Member for 12 years, 9 months
  • Last seen more than a month ago
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26
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About

Assistant Professor at UESTC.

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

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Top posts
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question
39
Is it NP-hard to fill up bins with minimum moves?
Jun 3, 2013
question
29
Subset Sum problem with many divisibility conditions
Aug 12, 2012
question
24
Collectively pay the bill problem
Jul 8, 2012
answer
15
Sorting when there are only O(log n) many different numbers
Aug 17, 2014
question
14
Are runtime bounds decidable for anything nontrivial?
Jun 7, 2013
question
14
Complexity of finding the pseudoinverse matrix
Apr 23, 2014
question
13
Use minimum number of swaps so each bin contains balls of the same color
Jun 9, 2013
answer
11
Circles covering a rectangular, how to verify it?
Apr 9, 2013
question
10
A programming language that can only implement computable bijective functions?
Nov 22, 2012
question
10
Is the following extension of finite state automata studied?
Oct 1, 2016
Top network posts
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114
Why is "the set of all sets" a paradox, in layman's terms?
102
Why isn't reflexivity redundant in the definition of equivalence relation?
52
What is the shortest string that contains all permutations of an alphabet?
45
How to use the computer modern font in webpages?
40
Sorting algorithm, such that each element is compared $O(\log n)$ times, and doesn't depend on a sorting network