Enumeration Classes Defined by Circuits

05/01/2022

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by   Nadia Creignou, et al.

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We refine the complexity landscape for enumeration problems by introducing very low classes defined by using Boolean circuits as enumerators. We locate well-known enumeration problems, e.g., from graph theory, Gray code enumeration, and propositional satisfiability in our classes. In this way we obtain a framework to distinguish between the complexity of different problems known to be in 𝐃𝐞𝐥𝐚𝐲𝐏, for which a formal way of comparison was not possible to this day.