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This article is cited in 12 scientific papers (total in 12 papers)
An Infinite-Dimensional Version of the Borsuk–Ulam Theorem
B. D. Gel'man Voronezh State University
Abstract:
We study the solvability of the equation $a(x)=f(x)$ on a sphere in a Banach space, where $a$ is a closed surjective linear operator and $f$ is an odd $a$-compact map. We also estimate the topological dimension of the solution set and give applications of the corresponding theorem to some problems in differential equations and other fields of mathematics.
Keywords:
closed surjective operator, compact map, operator equation.
Received: 13.02.2003
Citation:
B. D. Gel'man, “An Infinite-Dimensional Version of the Borsuk–Ulam Theorem”, Funktsional. Anal. i Prilozhen., 38:4 (2004), 1–5; Funct. Anal. Appl., 38:4 (2004), 239–242
Linking options:
https://www.mathnet.ru/eng/faa121https://doi.org/10.4213/faa121 https://www.mathnet.ru/eng/faa/v38/i4/p1
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