Nonnegative forms with sublevel sets of minimal volume

2019/09/24 by Khazhgali Kozhasov, Kozhasov, Khazhgali, Jean-Bernard Lasserre +1 · 3 citations
Mathematics · #Algebraic Geometry (math.AG) #FOS: Mathematics #Functional Analysis (math.FA) #Optimization and Control (math.OC) #math.AG #math.FA #math.OC

paper · pdf · doi:10.48550/arxiv.1909.10935

arxiv created 2020/07/27 · arxiv updated 2020/07/28

Abstract

We show that the Euclidean ball has the smallest volume among sublevel sets of nonnegative forms of bounded Bombieri norm as well as among sublevel sets of sum of squares forms whose Gram matrix has bounded Frobenius or nuclear (or, more generally, p-Schatten) norm. These volume-minimizing properties of the Euclidean ball with respect to its representation (as a sublevel set of a form of fixed even degree) complement its numerous intrinsic geometric properties. We also provide a probabilistic interpretation of the results.

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