Lipschitz extensions and Lipschitz retractions in metric spaces
Nguyen Van Khue, Nguyen To Nhu (1981)
Colloquium Mathematicae
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Nguyen Van Khue, Nguyen To Nhu (1981)
Colloquium Mathematicae
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Robert Fraser (1970)
Fundamenta Mathematicae
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Jerzy Miś (1989)
Annales Polonici Mathematici
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Diethard Pallaschke, Dieter Pumplün (2015)
Discussiones Mathematicae, Differential Inclusions, Control and Optimization
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In this paper the universal properties of spaces of Lipschitz functions, defined over metric spaces, are investigated.
Adam Parusiński (2005)
Annales Polonici Mathematici
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Given a Lipschitz stratification 𝒳 that additionally satisfies condition (δ) of Bekka-Trotman (for instance any Lipschitz stratification of a subanalytic set), we show that for every stratum N of 𝒳 the distance function to N is locally bi-Lipschitz trivial along N. The trivialization is obtained by integration of a Lipschitz vector field.
R.K.S. Rathore (1975)
Mathematische Zeitschrift
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Itai Benjamini, Alexander Shamov (2015)
Analysis and Geometry in Metric Spaces
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It is shown that every bi-Lipschitz bijection from Z to itself is at a bounded L1 distance from either the identity or the reflection.We then comment on the group-theoretic properties of the action of bi-Lipschitz bijections.
J. Wilker (1971)
Fundamenta Mathematicae
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Fernanda Botelho, James Jamison (2010)
Studia Mathematica
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We characterize a class of *-homomorphisms on Lip⁎(X,𝓑(𝓗 )), a non-commutative Banach *-algebra of Lipschitz functions on a compact metric space and with values in 𝓑(𝓗 ). We show that the zero map is the only multiplicative *-preserving linear functional on Lip⁎(X,𝓑(𝓗 )). We also establish the algebraic reflexivity property of a class of *-isomorphisms on Lip⁎(X,𝓑(𝓗 )).
Tadeusz Mostowski (2004)
Banach Center Publications
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T. Banakh, N. Brodskiy, I. Stasyuk, E. D. Tymchatyn (2009)
Colloquium Mathematicae
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We prove that there exists a continuous regular, positive homogeneous extension operator for the family of all uniformly continuous bounded real-valued functions whose domains are closed subsets of a bounded metric space (X,d). In particular, this operator preserves Lipschitz functions. A similar result is obtained for partial metrics and ultrametrics.
Janusz Matkowski, Małgorzata Wróbel (2012)
Open Mathematics
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We show that the generator of any uniformly bounded set-valued Nemytskij composition operator acting between generalized Hölder function metric spaces, with nonempty, bounded, closed, and convex values, is an affine function.
Heiko Berninger, Dirk Werner (2003)
Extracta Mathematicae
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Sean Li (2015)
Analysis and Geometry in Metric Spaces
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Let f : G → H be a Lipschitz map between two Carnot groups. We show that if B is a ball of G, then there exists a subset Z ⊂ B, whose image in H under f has small Hausdorff content, such that BZcan be decomposed into a controlled number of pieces, the restriction of f on each of which is quantitatively biLipschitz. This extends a result of [14], which proved the same result, but with the restriction that G has an appropriate discretization. We provide an example of a Carnot group not...
Nicolae Teleman (1983)
Publications Mathématiques de l'IHÉS
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Chandan S. Vora (1973)
Rendiconti del Seminario Matematico della Università di Padova
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