Department of Computer Science | Institute of Theoretical Computer Science | CADMO

Theory of Combinatorial Algorithms

Prof. Emo Welzl and Prof. Bernd Gärtner

Mittagsseminar (in cooperation with M. Ghaffari, A. Steger and B. Sudakov)

Mittagsseminar Talk Information

Date and Time: Tuesday, February 28, 2017, 12:15 pm

Duration: 30 minutes

Location: CAB G51

Speaker: Jerri Nummenpalo

Finding One of Many Needles in a Haystack: Searching and Sampling SAT

Let F be a k-CNF formula over n variables with the promise that at least a c-fraction of all the 2^n assignments are satisfying for some given c = c(n). The trivial sampling algorithm needs in expectation 1/c many samples before finding a satisfying assignment for F. We consider it as a benchmark as we consider algorithms for both finding a satisfying assignment and sampling one uniformly at random among all satisfying assignments. This is joint work with Jean Cardinal, Jozsef Solymosi and Emo Welzl.

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