On polyhedral approximations in an n-dimensional space


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Abstract

The polyhedral approximation of a positively homogeneous (and, in general, nonconvex) function on a unit sphere is investigated. Such a function is presupporting (i.e., its convex hull is the supporting function) for a convex compact subset of Rn. The considered polyhedral approximation of this function provides a polyhedral approximation of this convex compact set. The best possible estimate for the error of the considered approximation is obtained in terms of the modulus of uniform continuous subdifferentiability in the class of a priori grids of given step in the Hausdorff metric.

About the authors

M. V. Balashov

Moscow Institute of Physics and Technology (State University)

Author for correspondence.
Email: balashov73@mail.ru
Russian Federation, Dolgoprudnyi, Moscow oblast, 141700

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