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Journal of Convex Analysis 26 (2019), No. 3, 773--784
Copyright Heldermann Verlag 2019

The Plasticity of Non-Overlapping Convex Sets in R2

Anastasios N. Zachos
Department of Mathematics, University of Patras, 26500 Rion, Greece

We study a generalization of the weighted Fermat-Torricelli problem in the plane, which is derived by replacing vertices of a convex polygon by 'small' closed convex curves with weights being positive real numbers on the curves, we also study its generalized inverse problem. Our solution of the problems is based on the first variation formula of the length of line segments that connect the weighted Fermat-Torricelli point with its projections onto given closed convex curves. We find the

Keywords: Fermat-Torricelli problem, convex, curve, variation, inverse problem, plasticity of non-overlapping closed convex sets.

MSC: 51E10, 51N20, 51P05, 70E17, 70F15, 70G75, 93B27.

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