Abstract

AbstractThis paper presents an efficient quantifier elimination algorithm tailored for a sign definite condition (SDC). The SDC for a polynomial f ∈ ℝ[x] with parametric coefficients is written as ∀ x ( x ≥ 0 → f(x) > 0). To improve the algorithm, simplification of an output formula is needed. We show a necessary condition for the SDC and an approach to simplify formulae by using a logic minimization method. Experimental results show that our approach significantly simplify formulae.

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