Ellipses surrounding convex bodies

Autor: Zamfirescu Tudor
Jazyk: angličtina
Rok vydání: 2022
Předmět:
Zdroj: Analele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica, Vol 30, Iss 2, Pp 273-282 (2022)
Druh dokumentu: article
ISSN: 1844-0835
2022-0030
DOI: 10.2478/auom-2022-0030
Popis: If, for a double normal xx* of a convex body K, an ellipse E ∋ x, x* is included in K, we say that E is surrounded by the boundary of K. If, instead, in the plane of E, K is included in the convex hull of E, then we say that E is surrounding K. In this paper we investigate surrounding and surrounded ellipses, particularly circles. We do this for arbitrary convex bodies, for polytopes, for convex bodies of constant width, and for most convex bodies (in the sense of Baire categories).
Databáze: Directory of Open Access Journals