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Chandra Chekuri

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

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Top Posts (76) All Questions Answers | Votes Newest

27 What are the recent TCS books whose drafts are available online? Dec 6 '10
23 NP-hard problems on trees Sep 13 '10
21 Theoretical Applications for Approximation Algorithms Dec 8 '11
15 “Directed” problems that are easier than their “undirected” variant. Dec 3 '11
15 Hardness of approximation without the PCP theorem Dec 2 '12
14 Is the Cheeger constant $\mathsf{NP}$-hard? Mar 12 '15
13 Structure of graphs that exclude a perfect matching on four vertices as an induced graph Jun 5 '15
12 Finding subgraphs with high treewidth and constant degree Aug 29 '17
12 Problems that are easy on unweighted graphs, but hard for weighted graphs Feb 18 '14
11 APX Hardness implies no QPTAS? Mar 23 '14
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