Výsledky vyhledávání - "J. M. Kister"

Autor: J. M. Kister

Publikováno v: Transactions of the American Mathematical Society. 97:213-224

Introduction. In the years immediately following the elegant proofs of Alexander [1 ] and Kneser [7] on the realization of homeomorphisms through deformations, relatively little work on isotopic deformations appeared. The reason lies, no doubt, in th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::edbfd37f338a338e32ea31ad28ce9223
https://doi.org/10.1090/s0002-9947-1960-0120628-5

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Homotopy types of ANR’s

Autor: J. M. Kister

Publikováno v: Proceedings of the American Mathematical Society. 19:195

PROOF. Suppose not. Let {A, } be an uncountable collection of different types. We may regard each AO as a subset of the Hilbert cube I@. For each : let c be chosen so that AO is a retract of its en-neighborhood UB in Iw. Let r,: UO-*A, be a retractio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::49e5e626b6fac59233f377eb42a3c21e
https://doi.org/10.1090/s0002-9939-1968-0219031-1

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