Weighted Chui's conjecture

Fuente: arXiv
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Autori principali: Doubtsov, Evgueni, Tselishchev, Anton, Vasilyev, Ioann
Natura: Preprint
Pubblicazione: 2026
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author Doubtsov, Evgueni
Tselishchev, Anton
Vasilyev, Ioann
author_facet Doubtsov, Evgueni
Tselishchev, Anton
Vasilyev, Ioann
contents The goals of this paper are threefold. First, we show that a counterpart of the Newman bound related to the Chui conjecture is valid in the case where the gradient of Coulomb potential is generated by arbitrary positive charges placed at the boundary of a unit ball. Second, we prove that our bound is sharp in the two-dimensional case. Finally, we discuss a related problem, where the unit charges are placed in the unit disc.
format Preprint
id arxiv_https___arxiv_org_abs_2603_05233
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle Weighted Chui's conjecture
Doubtsov, Evgueni
Tselishchev, Anton
Vasilyev, Ioann
Classical Analysis and ODEs
30E20
The goals of this paper are threefold. First, we show that a counterpart of the Newman bound related to the Chui conjecture is valid in the case where the gradient of Coulomb potential is generated by arbitrary positive charges placed at the boundary of a unit ball. Second, we prove that our bound is sharp in the two-dimensional case. Finally, we discuss a related problem, where the unit charges are placed in the unit disc.
title Weighted Chui's conjecture
topic Classical Analysis and ODEs
30E20
url https://arxiv.org/abs/2603.05233