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NP-hard problems
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11	CS261: A Second Course in Algorithms Lecture #13: Online Scheduling and Online Steiner Tree∗ Tim Roughgarden† February 16, Add to Reading List Source URL: theory.stanford.edu Language: English - Date: 2016-03-01 15:15:38 Graph theory Mathematics Computational complexity theory NP-complete problems Spanning tree Operations research Combinatorial optimization NP-hard problems Online algorithm Steiner tree problem Minimum spanning tree Travelling salesman problem
12	CS261: A Second Course in Algorithms Lecture #19: Beating Brute-Force Search∗ Tim Roughgarden† March 8, 2016 A popular myth is that, for N P -hard problems, there are no algorithms with worst-case running time better Add to Reading List Source URL: theory.stanford.edu Language: English - Date: 2016-03-15 10:47:56 NP-complete problems Computational complexity theory Analysis of algorithms Operations research NP-hard problems Vertex cover Travelling salesman problem Dynamic programming Parameterized complexity Independent set Algorithm 2-satisfiability
13	Distance Three Labelings of Trees∗ Jiˇr´ı Fiala† Petr A. Golovach‡ Bernard Lidick´ Add to Reading List Source URL: orion.math.iastate.edu Language: English - Date: 2014-08-22 14:45:05 NP-complete problems Graph coloring NP-hard problems Graph theory Planar graphs Treewidth Graph Independent set Tree decomposition Outerplanar graph Tree Graph labeling
14	Worst Case and Probabilistic Analysis of the 2-Opt Algorithm for the TSP∗ Matthias Englert Heiko R¨oglin Add to Reading List Source URL: www.dcs.warwick.ac.uk Language: English - Date: 2008-09-04 11:36:22 NP-hard problems NP-complete problems Operations research Travelling salesman problem Gadget Graph
15	DISCRETE APPLIED MATHEMATICS ELSEYIER Discrete Applied Add to Reading List Source URL: www.maths.lse.ac.uk Language: English - Date: 2010-06-13 16:41:26 Graph theory Mathematics NP-complete problems NP-hard problems Graph coloring Routing algorithms Search algorithms Hamiltonian path Bipartite graph Travelling salesman problem A* search algorithm Planar separator theorem
16	Inapproximability of Combinatorial Optimization Problems Luca Trevisan∗ arXiv:cs/0409043v1 [cs.CC] 24 SepJuly 27, 2004 Add to Reading List Source URL: vigna.di.unimi.it Language: English - Date: 2008-02-01 14:51:28 Computational complexity theory Theory of computation Complexity classes NP-complete problems Mathematical optimization NP-hard problems MAX-3SAT NP Approximation algorithm Probabilistically checkable proof PCP theorem APX
17	Design and Analysis of Algorithms CS681 Fall 2007 Christofides’s Algorithm Sunday, October 28, 2007 Add to Reading List Source URL: vigna.di.unimi.it Language: English - Date: 2014-10-22 08:43:20 Graph theory Mathematics NP-complete problems NP-hard problems Operations research Travelling salesman problem Matching Eulerian path Hamiltonian path Minimum spanning tree Cycle Line graph
18	Special Issue on Artificial Intelligence Underpinning Golden Ball Algorithm for solving Flow Shop Scheduling Problem Fatima Sayoti, Mohammed Essaid Riffi LAROSERI Laboratory, Dept. of Computer Science, Faculty of Scienc Add to Reading List Source URL: www.ijimai.org Language: English - Date: 2016-03-29 07:56:34 Operations research Computational complexity theory Scheduling Mathematics Applied mathematics NP-hard problems Complexity classes Mathematical optimization Flow shop scheduling Makespan Combinatorial optimization Schedule
19	b-coloring is NP-hard on co-bipartite graphs and polytime solvable on tree-cographs ∗ Flavia Bonomo1 , Oliver Schaudt2 , Maya Stein3 , and Mario Valencia-Pabon†4 1 Add to Reading List Source URL: www.zaik.uni-koeln.de Language: English - Date: 2014-02-09 09:55:11 Graph theory Graph coloring Matching NP-complete problems Combinatorial optimization Graph operations Blossom algorithm Bipartite graph Chordal graph Complete coloring Cograph Ear decomposition
20	CAPTCHA: Using Hard AI Problems For Security Luis von Ahn1 , Manuel Blum1 , Nicholas J. Hopper1 , and John Langford2 1 Computer Science Dept., Carnegie Mellon University, Pittsburgh PA 15213, USA Add to Reading List Source URL: hunch.net Language: English - Date: 2003-09-18 19:47:10 Computational neuroscience Human-based computation Complexity classes CAPTCHA Computer security Computer vision Internet bot Turing test Artificial general intelligence Luis von Ahn Artificial intelligence NP

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