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Extensions of the Ostrowski–Reich theorem

✍ Scribed by N.M. Missirlis; N.G. Gaitanos


Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
566 KB
Volume
207
Category
Article
ISSN
0024-3795

No coin nor oath required. For personal study only.


📜 SIMILAR VOLUMES


Note on a Theorem of A. Ostrowski
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The Preiss differentiability theorem for Lipschitz functions on Banach spaces is generalized to locally lower (upper) semi-Lipschitz functions, and several extensions are presented. 1994 Academic Press, Inc.

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Let M be a 3 rulifold, A an annulus, and (2 a spanning arc of A, i.e. A --01 is connect&d' and simply connected. A map f : (A, aA)-+ (M, HIYQ is essent,ial if j$ : ?r@)-=+ wi(M)'i's monk and j'(a) is not ho:motopic rei its boundary to an ax in 8Ak W~Z say that f is a D&n map if p /&4 is an embedding