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- PP_(complexity) abstract "In complexity theory, PP is the class of decision problems solvable by a probabilistic Turing machine in polynomial time, with an error probability of less than 1/2 for all instances. The abbreviation PP refers to probabilistic polynomial time. The complexity class was defined by Gill in 1977.If a decision problem is in PP, then there is an algorithm for it that is allowed to flip coins and make random decisions. It is guaranteed to run in polynomial time. If the answer is YES, the algorithm will answer YES with probability more than 1/2. If the answer is NO, the algorithm will answer YES with probability less than or equal to 1/2. In more practical terms, it is the class of problems that can be solved to any fixed degree of accuracy by running a randomized, polynomial-time algorithm a sufficient (but bounded) number of times.An alternative characterization of PP is the set of problems that can be solved by a nondeterministic Turing machine in polynomial time where the acceptance condition is that a majority (more than half) of computation paths accept. Because of this some authors have suggested the alternative name Majority-P.".
- PP_(complexity) wikiPageID "659322".
- PP_(complexity) wikiPageRevisionID "574278981".
- PP_(complexity) hasPhotoCollection PP_(complexity).
- PP_(complexity) subject Category:Probabilistic_complexity_classes.
- PP_(complexity) subject Category:Quantum_complexity_theory.
- PP_(complexity) type Abstraction100002137.
- PP_(complexity) type Class107997703.
- PP_(complexity) type Collection107951464.
- PP_(complexity) type Group100031264.
- PP_(complexity) type ProbabilisticComplexityClasses.
- PP_(complexity) comment "In complexity theory, PP is the class of decision problems solvable by a probabilistic Turing machine in polynomial time, with an error probability of less than 1/2 for all instances. The abbreviation PP refers to probabilistic polynomial time. The complexity class was defined by Gill in 1977.If a decision problem is in PP, then there is an algorithm for it that is allowed to flip coins and make random decisions. It is guaranteed to run in polynomial time.".
- PP_(complexity) label "PP (complexity)".
- PP_(complexity) label "PP (complexité)".
- PP_(complexity) label "PP (複雜度)".
- PP_(complexity) label "PP (計算複雑性理論)".
- PP_(complexity) label "Probabilistische Polynomialzeit".
- PP_(complexity) label "Класс PP".
- PP_(complexity) label "بي بي (تعقيد حسابي)".
- PP_(complexity) sameAs Probabilistische_Polynomialzeit.
- PP_(complexity) sameAs PP_(complexité).
- PP_(complexity) sameAs PP_(計算複雑性理論).
- PP_(complexity) sameAs m.030hfh.
- PP_(complexity) sameAs Q1563053.
- PP_(complexity) sameAs Q1563053.
- PP_(complexity) sameAs PP_(complexity).
- PP_(complexity) wasDerivedFrom PP_(complexity)?oldid=574278981.
- PP_(complexity) isPrimaryTopicOf PP_(complexity).