Notes on Boolean Read-k and Multilinear Circuits

Stasys Jukna

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arXiv · 2207.08701

Notes on Boolean Read-k and Multilinear Circuits

Stasys Jukna

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Abstract

A monotone Boolean (OR,AND) circuit computing a monotone Boolean function f is a read-k circuit if the polynomial produced (purely syntactically) by the arithmetic (+,x) version of the circuit has the property that for every prime implicant of f, the polynomial contains at least one monomial with the same set of variables, each appearing with degree at most k. Every monotone circuit is a read-k circuit for some k. We show that already read-1 (OR,AND) circuits are not weaker than monotone arithmetic constant-free (+,x) circuits computing multilinear polynomials, are not weaker than non-monotone multilinear (OR,AND,NOT) circuits computing monotone Boolean functions, and have the same power as tropical (min,+) circuits solving combinatorial minimization problems. Finally, we show that read-2 (OR,AND) circuits can be exponentially smaller than read-1 (OR,AND) circuits.

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Stasys Jukna. 2023-11-21. Notes on Boolean Read-k and Multilinear Circuits. https://arxiv.org/abs/2207.08701

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