4.8 Article

Solution of a 20-variable 3-SAT problem on a DNA computer

Journal

SCIENCE
Volume 296, Issue 5567, Pages 499-502

Publisher

AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1069528

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A 20-variable instance of the NP-complete three-satisfiability (3-SAT) problem was solved on a simple DNA computer. The unique answer was found after an exhaustive search of more than 1 million (2(20)) possibilities. This computational problem may be the largest yet solved by nonelectronic means. Problems of this size appear to be beyond the normal range of unaided human computation.

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