Two structures based on convexities on the 2-sphere


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Abstract

Two constructions on a space with two convexities, n-semiconvexity and n-biconvexity, are considered. Features of the sets corresponding to these constructions on the 2-sphere are studied. Their separation properties are considered.

About the authors

A. M. Dulliev

Tupolev Kazan National Research Technical University

Author for correspondence.
Email: dulliev@yandex.ru
Russian Federation, Kazan

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