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- W2170768819 abstract "We consider the problem of minimizing a polynomial function over the integer lattice. Though impossible in general, we use a known sufficient condition for the existence of continuous minimizers to guarantee the existence of integer minimizers as well. In case this condition holds, we use sos programming to compute the radius of a p-norm ball which contains all integer minimizers. We prove that this radius is smaller than the radius known from the literature. Furthermore, we derive a new class of underestimators of the polynomial function. Using a Stellensatz from real algebraic geometry and again sos programming, we optimize over this class to get a strong lower bound on the integer minimum. Our radius and lower bounds are evaluated experimentally. They show a good performance, in particular within a branch and bound framework." @default.
- W2170768819 created "2016-06-24" @default.
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- W2170768819 date "2015-02-18" @default.
- W2170768819 modified "2023-09-27" @default.
- W2170768819 title "Norm Bounds and Underestimators for Unconstrained Polynomial Integer Minimization" @default.
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- W2170768819 hasPublicationYear "2015" @default.
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