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单词 Polynomial hierarchy
释义

Polynomial hierarchy

英语百科

Polynomial hierarchy

Commutative diagram equivalent to the polynomial time hierarchy. The arrows denote inclusion.

In computational complexity theory, the polynomial hierarchy (sometimes called the polynomial-time hierarchy) is a hierarchy of complexity classes that generalize the classes P, NP and co-NP to oracle machines. It is a resource-bounded counterpart to the arithmetical hierarchy and analytical hierarchy from mathematical logic.

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更新时间:2025/6/19 22:13:53