Geodesic
On generalized Minkowski arrangements
Ars Mathematica Contemporanea, Tome 23 (2023) no. 1, article no. 09, 18 p.

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The concept of a Minkowski arrangement was introduced by Fejes Tóth in 1965 as a family of centrally symmetric convex bodies with the property that no member of the family contains the center of any other member in its interior. This notion was generalized by Fejes Tóth in 1967, who called a family of centrally symmetric convex bodies a generalized Minkowski arrangement of order μ for some 0  μ  1 if no member K of the family overlaps the homothetic copy of any other member K′ with ratio μ and with the same center as K′. In this note we prove a sharp upper bound on the total area of the elements of a generalized Minkowski arrangement of order μ of finitely many circular disks in the Euclidean plane. This result is a common generalization of a similar result of Fejes Tóth for Minkowski arrangements of circular disks, and a result of Böröczky and Szabó about the maximum density of a generalized Minkowski arrangement of circular disks in the plane. In addition, we give a sharp upper bound on the density of a generalized Minkowski arrangement of homothetic copies of a centrally symmetric convex body.
DOI : 10.26493/1855-3974.2550.d96
Keywords: Arrangement, Minkowski arrangement, density, homothetic copy 
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Máté Kadlicskó; Zsolt Lángi. On generalized Minkowski arrangements. Ars Mathematica Contemporanea, Tome 23 (2023) no. 1, article  no. 09, 18 p. doi : 10.26493/1855-3974.2550.d96. http://geodesic.mathdoc.fr/articles/10.26493/1855-3974.2550.d96/

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