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Artículo
The Unique Satisfiability Problem from a Membrane Computing Perspective
(Romanian Academy, Section for Information Science and Technology, 2018)
Complexity class DP is the class of “differences” of any two languages in NP. It verifies that NP[ co-NP DP PNP, where PNP is the second level of the polynomial hierarchy, specifically, it is the class of languages ...
Artículo
From SAT to SAT-UNSAT using P systems with dissolution rules
(Springer, 2022)
DP is the class of problems that are the differences between two languages from NP. Most difficult problems from DP are called DP-complete problems, that can be seen as the conjunction of an NP-complete problem and a ...