STOC
14 years 2 months ago
2010 ACM
We ask the question ? how can websites and data aggregators continually release updated statistics, and meanwhile preserve each individual user's privacy? We propose a differ...
STOC
14 years 2 months ago
2010 ACM STOC
13 years 10 months ago
2010 ACM
We give the first polynomial-time approximation scheme (PTAS) for the Steiner forest problem on planar graphs and, more generally, on graphs of bounded genus. As a first step, w...
STOC
14 years 2 months ago
2010 ACM STOC
14 years 2 months ago
2010 ACM
We study the ratio between the minimum size of an odd cycle vertex transversal and the maximum size of a collection of vertex-disjoint odd cycles in a planar graph. We show that th...
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