'Variable gadgets' diaporamas de présentation

More NP-complete Problems

More NP-complete Problems. Theorem:. (proven in previous class). If: Language is NP-complete Language is in NP is polynomial time reducible to. Then: is NP-complete. Using the previous theorem, we will prove that 2 problems are NP-complete:. Vertex-Cover.

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More NP-complete Problems

More NP-complete Problems. Theorem:. (proven in previous class). If: Language is NP-complete Language is in NP is polynomial time reducible to. Then: is NP-complete. Using the previous theorem, we will prove that 2 problems are NP-complete:. Vertex-Cover.

487 views • 30 slides

On Minimum- and Maximum-Weight Minimum Spanning Trees with Neighborhoods

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NP-Completeness

NP-Completeness. Note . Some illustrations are taken from ( KT ) Kleinberg and Tardos. Algorithm Design ( DPV ) Dasgupta, Papadimitriou, and Vazirani. Algorithms. Decision problems. Decision problem . X is a set of strings. Instance : string s.

315 views • 16 slides