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Chao Xu's user avatar
Chao Xu's user avatar
Chao Xu's user avatar
Chao Xu
  • Member for 14 years, 1 month
  • Last seen more than a month ago
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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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16
Smallest area shape that covers all unit length curve
Jul 19, 2010
9
Problem suggestions for polymath for undergraduates research
Jul 9, 2010
6
Computational complexity of the word problem for semi-Thue systems with certain restrictions
Jun 18, 2010
5
Conjugacy problem for small braid groups
Jul 17, 2011
5
Small covering of divisors
Jun 25, 2022
4
Size of the smallest union chain containing a family
May 12, 2020
3
Space of simple polygons on $n$-vertices as a set of points in $\mathbb{R}^{2n}$
Nov 9, 2013
2
Random parking problem on a probability distribution
Jan 2, 2011
2
Bounds for relative totient function for small values
Oct 23, 2016
2
Change of generators and shortest product in groups
Mar 5, 2017
Top network posts
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112
Why is "the set of all sets" a paradox, in layman's terms?
97
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