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Main Authors: Romash, Denis, Sevost'yanov, Evgeny
Format: Preprint
Published: 2025
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Online Access:https://arxiv.org/abs/2506.15229
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author Romash, Denis
Sevost'yanov, Evgeny
author_facet Romash, Denis
Sevost'yanov, Evgeny
contents A family of mappings is called uniformly light if the image of the continuum under these mappings cannot be contracted to a point under the sequence of mappings of the family. In this paper, we are interested in the problem of the uniform lightness of a family of homeomorphisms satisfying upper moduli inequalities. We have shown that a family of such homeomorphisms satisfies the above-mentioned condition of uniform lightness if the majorant participating in the modulus estimate defining the family is integrable over almost all spheres. Under the same conditions, we show that this family of homeomorphisms is uniformly open, i.e., their image contains a ball of fixed radius, independent of each mapping separately. As an application of the results obtained, we have proved the assertion about the uniform convergence of homeomorphisms to a homeomorphism.
format Preprint
id arxiv_https___arxiv_org_abs_2506_15229
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle On uniformly lightness of ring mappings and convergence to a homeomorphism
Romash, Denis
Sevost'yanov, Evgeny
Complex Variables
30C65
A family of mappings is called uniformly light if the image of the continuum under these mappings cannot be contracted to a point under the sequence of mappings of the family. In this paper, we are interested in the problem of the uniform lightness of a family of homeomorphisms satisfying upper moduli inequalities. We have shown that a family of such homeomorphisms satisfies the above-mentioned condition of uniform lightness if the majorant participating in the modulus estimate defining the family is integrable over almost all spheres. Under the same conditions, we show that this family of homeomorphisms is uniformly open, i.e., their image contains a ball of fixed radius, independent of each mapping separately. As an application of the results obtained, we have proved the assertion about the uniform convergence of homeomorphisms to a homeomorphism.
title On uniformly lightness of ring mappings and convergence to a homeomorphism
topic Complex Variables
30C65
url https://arxiv.org/abs/2506.15229