This is a preview. Log in through your library . Abstract We present a counterexample to the conjecture by Orlik that the restriction of a free hyperplane arrangement to one of its hyperplanes is free ...
Prime numbers are sometimes called math’s “atoms” because they can be divided by only themselves and 1. For two millennia, ...
The fundamental laws of physics insist that no patterns can permanently survive nature’s steady course towards disorder – or can they? A new proof offers a peculiar counterexample to the once-settled ...
Quantified Boolean Formulas (QBF) extend classical Boolean logic by incorporating quantifiers over Boolean variables, thereby enabling the expression of problems in the PSPACE complexity class. The ...
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