The edge-minimal polyhedral maps of Euler characteristic .
Brehm, Ulrich, Datta, Basudeb, Nilakantan, Nandini (2002)
Beiträge zur Algebra und Geometrie
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Brehm, Ulrich, Datta, Basudeb, Nilakantan, Nandini (2002)
Beiträge zur Algebra und Geometrie
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Karol Pąk (2014)
Formalized Mathematics
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In this article we prove the Tietze extension theorem for an arbitrary convex compact subset of εn with a non-empty interior. This theorem states that, if T is a normal topological space, X is a closed subset of T, and A is a convex compact subset of εn with a non-empty interior, then a continuous function f : X → A can be extended to a continuous function g : T → εn. Additionally we show that a subset A is replaceable by an arbitrary subset of a topological space that is homeomorphic...
Nhu Nguyen, Katsuro Sakai (1996)
Colloquium Mathematicae
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Hatori, Osamu, Kasuga, Kazuhiro (2009)
Banach Journal of Mathematical Analysis [electronic only]
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Borzellino, Joseph E., Brunsden, Victor (2003)
Journal of Lie Theory
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Boonpok, Chawalit (2009)
Acta Universitatis Apulensis. Mathematics - Informatics
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Suo, Hongmin (2009)
The Journal of Nonlinear Sciences and its Applications
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W. Jarczyk, K. Łoskot, M. C. Zdun (1994)
Annales Polonici Mathematici
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The system of Abel equations α(ft(x)) = α(x) + λ(t), t ∈ T, is studied under the general assumption that are pairwise commuting homeomorphisms of a real interval and have no fixed points (T is an arbitrary non-empty set). A result concerning embeddability of rational iteration groups in continuous groups is proved as a simple consequence of the obtained theorems.
Ling, Joseph M. (2007)
Beiträge zur Algebra und Geometrie
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Alejandro Illanes (1993)
Colloquium Mathematicae
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