指数在紧凸集中的多项式及相关的加权极值函数——基本结果
复变函数
2024-11-01 v4
摘要
本文是关于多次调和理论的一篇综述,其中通常的多项式环被多项式环所替代,其中次多项式的指数被限制于,这里是紧凸集且。我们对不假设其他条件,因为这些是成为分次多项式环所必需的。我们研究与全局多次调和函数类之间的关系,其中增长由的对数支撑函数决定。我们给出它们各自的加权极值函数和与的性质相关的性质。
引用
@article{arxiv.2305.04779,
title = {Polynomials with exponents in compact convex sets and associated weighted extremal functions -- Fundamental results},
author = {Benedikt Steinar Magnússon and Álfheiður Edda Sigurðardóttir and Ragnar Sigurðsson and Bergur Snorrason},
journal= {arXiv preprint arXiv:2305.04779},
year = {2024}
}
备注
33 pages, 1 figure. Version 4: Minor corrections and adjustments. To appear in Annales Polonici Matgematici. Version 3: The article has been reorganized and various improvements made, most notably Theorem 3.6, Theorem 5.8 and results on regularity in Sections 4 and 5. Article arXiv:2305.06847, on characterization of polynomials by L^2-estimates, has merged into the article as Section 7