Abstract
We investigate the complexity of an optimization problem in Boolean propositional logic related to information theory: Given a conjunctive formula over a set of relations, find a satisfying assignment with minimal Hamming distance to a given assignment that satisfies the formula (\(\mathsf {NearestOtherSolution}\), \(\mathsf {NOSol}\)).
We present a complete classification with respect to the relations admitted in the formula. We give polynomial-time algorithms for several classes of constraint languages. For all other cases we prove hardness or completeness regarding \(\mathrm {poly{\text {-}}APX}\), \(\mathrm {NPO}\), or equivalence to a well-known hard optimization problem.
Mike Behrisch and Gernot Salzer—Supported by Austrian Science Fund (FWF) grant I836-N23.
Miki Hermann—Supported by ANR-11-ISO2-003-01 Blanc International grant ALCOCLAN.
Stefan Mengel—Supported by QUALCOMM grant administered by École Polytechnique.
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Behrisch, M., Hermann, M., Mengel, S., Salzer, G. (2015). Give Me Another One!. In: Elbassioni, K., Makino, K. (eds) Algorithms and Computation. ISAAC 2015. Lecture Notes in Computer Science(), vol 9472. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-48971-0_56
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DOI: https://doi.org/10.1007/978-3-662-48971-0_56
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