{ "id": "2007.08439", "version": "v1", "published": "2020-07-16T16:25:11.000Z", "updated": "2020-07-16T16:25:11.000Z", "title": "Sharp Constants of Approximation Theory. V. An Asymptotic Equality Related to Polynomials with Given Newton Polyhedra", "authors": [ "Michael Ganzburg" ], "comment": "21 pages", "categories": [ "math.CA" ], "abstract": "Let $V\\subset\\R^m$ be a convex body, symmetric about all coordinate hyperplanes, and let $\\PP_{aV},\\, a\\ge 0$, be a set of all algebraic polynomials whose Newton polyhedra are subsets of $aV$. We prove a limit equality as $a\\to \\iy$ between the sharp constant in the multivariate Markov-Bernstein-Nikolskii type inequalities for polynomials from $\\PP_{aV}$ and the corresponding constant for entire functions of exponential type with the spectrum in $V$.", "revisions": [ { "version": "v1", "updated": "2020-07-16T16:25:11.000Z" } ], "analyses": { "subjects": [ "41A17", "41A63", "26D10" ], "keywords": [ "newton polyhedra", "sharp constant", "asymptotic equality", "approximation theory", "multivariate markov-bernstein-nikolskii type inequalities" ], "note": { "typesetting": "TeX", "pages": 21, "language": "en", "license": "arXiv", "status": "editable" } } }