Theoretical Computer Science
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jian

Apparently, this user prefers to keep an air of mystery about them.

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  • College Park, MD
  • cs.umd.edu/~lijian
  • Member for 10 years, 2 months
  • 113 profile views
  • Last seen Apr 26 '16 at 3:36

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11 min hitting set of every base of a matroid May 19 '12
11 maximize MST(G[S]) over all induced subgraphs G[S] in a metric graph Aug 5 '13
7 Is there any known result for 1-median problem with negative weights in Euclidean space? Feb 23 '14
6 Tree rotation, a problem similar to Huffman coding Mar 2 '12
6 FPRAS for #P-complete problems Oct 8 '11
6 Self-intersecting walk in expander graphs Nov 11 '11
6 Find the maximum set whose subset sum is unique for every of its subset Dec 30 '11
5 Exact version of matroid, given the input weight is in unary. Dec 2 '10
3 Is there any result on approximating an arbitrary tree metric by an HST metric? Jan 7 '12
2 Is there a way to solve or approximate the concave program with separable objective? Nov 16 '11

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