{ "id": "2212.14456", "version": "v1", "published": "2022-12-29T20:54:01.000Z", "updated": "2022-12-29T20:54:01.000Z", "title": "How far apart can the projection of the centroid of a convex body and the centroid of its projection be?", "authors": [ "Sergii Myroshnychenko", "Kateryna Tatarko", "Vladyslav Yaskin" ], "comment": "13 pages, 1 figure", "categories": [ "math.MG", "math.FA" ], "abstract": "We show that there is a constant $D \\approx 0.2016$ such that for every $n$, every convex body $K\\subset \\mathbb R^n$, and every hyperplane $H\\subset \\mathbb R^n$, the distance between the projection of the centroid of $K$ onto $H$ and the centroid of the projection of $K$ onto $H$ is at most $D$ times the width of $K$ in the direction of the segment connecting the two points. The constant $D$ is asymptotically sharp.", "revisions": [ { "version": "v1", "updated": "2022-12-29T20:54:01.000Z" } ], "analyses": { "subjects": [ "52A20", "52A40" ], "keywords": [ "projection", "convex body", "far apart", "asymptotically sharp" ], "note": { "typesetting": "TeX", "pages": 13, "language": "en", "license": "arXiv", "status": "editable" } } }