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The Conditions of Extremality of an Admissible Element in the Problem of Finding a Steiner Point of Several Closed Balls of a Certain Polynormed Space with Respect to a Set of this Space Based on the Dual Representation of the Directional Derivative of the Equivalent Best-Approximation Problem

As is well known (see, for example, [1, p. 47]), the classical Steiner problem in a linear normed space consists in finding, within a given set of this space, a point (the Steiner point) for which the sum of distances to several fixed points of the space is minimal, that is, does not exceed the sum...

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Bibliographic Details
Date:	2025
Main Author:	Гудима, Уляна
Format:	Article
Language:	Ukrainian
Published:	Кам'янець-Подільський національний університет імені Івана Огієнка 2025
Online Access:	http://mcm-math.kpnu.edu.ua/article/view/345840
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Journal Title:	Mathematical and computer modelling. Series: Physical and mathematical sciences

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Mathematical and computer modelling. Series: Physical and mathematical sciences

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