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HARDNESS OF APPROXIMATIONS Gap Introducing Reduction For simplicity we assume that we are always reducing from SAT(or any other NP- hard problem). Let Π be a minimization…

Documents PCP and Inapproximability Irit Dinur NEC. Example: the Minimum Vertex Cover functionExample: the...

PCP and Inapproximability Irit Dinur NEC Example: the Minimum Vertex Cover function Facts: 1. Best algorithm runs in time (1.21)n [Robson ‘86] 2. VC is NP-hard. [Karp ’72]…

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Approximating Maximum Edge Coloring in Multigraphs Uriel Feige Eran Ofek Udi Wieder Weizmann Institute The Problem Max Edge t-Coloring Given a multigraph G and a number t,…

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Slide 1 Simons Institute for the Theory of Computing Bears 2013 February 14, 2013 Simons Institute for the Theory of Computing Funded by the Simons Foundation Selected in…

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The Traveling Salesman Problem in Theory & Practice The Traveling Salesman Problem in Theory & Practice Lecture 2: NP-Hardness 28 January 2014 David S. Johnson [email protected]

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A Brief Introduction To The Theory of Computer Science and The PCP Theorem By Dana Moshkovitz Faculty of Mathematics and Computer Science The Weizmann Institute of Science…

Documents April 26, 2006K. Chang - Dissertation Defense1 Pass-Efficient Algorithms for Clustering Dissertation...

Slide 1 April 26, 2006K. Chang - Dissertation Defense1 Pass-Efficient Algorithms for Clustering Dissertation Defense Kevin Chang Adviser: Ravi Kannan Committee: Dana Angluin…