LSM is not generated by binary functions

Colin McQuillan

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arXiv · 1110.0461

LSM is not generated by binary functions

Colin McQuillan

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Abstract

The material in this note is now superseded by arXiv:1108.5288v4. Bulatov et al. [1] defined the operation of (efficient) pps_ω-definability in order to study the computational complexity of certain approximate counting problems. They asked whether all log-supermodular functions can be defined by binary implication and unary functions in this sense. We give a negative answer to this question.

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Colin McQuillan. 2012-06-21. LSM is not generated by binary functions. https://arxiv.org/abs/1110.0461

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