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arxiv: 1005.2005 · v1 · pith:KCHV36AJnew · submitted 2010-05-12 · 🧮 math.LO

nested PLS

classification 🧮 math.LO
keywords nestedproblemssearchdefinablecalledcharacterizedclassfunctions
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In this note we will introduce a class of search problems, called nested Polynomial Local Search (nPLS) problems, and show that definable NP search problems, i.e., $\Sigma^b_1$-definable functions in $T^2_2$ are characterized in terms of the nested PLS.

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