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St. Petersburg Mathematical Journal

ISSN 1547-7371(online) ISSN 1061-0022(print)



Differentiation in metric spaces

Author: A. Lytchak
Original publication: Algebra i Analiz, tom 16 (2004), nomer 6.
Journal: St. Petersburg Math. J. 16 (2005), 1017-1041
MSC (2000): Primary 53C20
Published electronically: November 22, 2005
MathSciNet review: 2117451
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Abstract: Differentiation of Lipschitz maps between abstract metric spaces is discussed. Differentiability of isometries, first variation formula, and Rademacher-type theorems are studied.

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Additional Information

A. Lytchak
Affiliation: Mathematisches Institut, Universität Bonn, Beringstr. 1, Bonn 53115, Germany

Keywords: Aleksandrov spaces, Rademacher theorem, variation formulas, tangent cones
Received by editor(s): May 12, 2004
Published electronically: November 22, 2005
Article copyright: © Copyright 2005 American Mathematical Society

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