Marsden, J. (1973) A proof of the Calderon extension theorem. Canadian Mathematical Bulletin, 16 (1). pp. 133-136. ISSN 0008-4395. https://resolver.caltech.edu/CaltechAUTHORS:20100824-120805312
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Abstract
In this note we outline a proof of the Calderon extension theorem by a technique similar to that for the Whitney extension theorem. For classical proofs, see Calderon [2] and Morrey [4]. See also Palais [6, p. 170]. Our purpose is thus to give am ore unified proof of the theorem in the various cases. In addition, the proof applies to the Holder space C^(k+a), which was used in [3], and applied to regions satisfying the "cone condition" of Calderon. Let M be a compact C^∞ manifold with C^∞ boundary embedded as an open submanifold of a compact manifold M. Let π:E→M be a vector bundle and let L:^p_k(π), L:^p_k(π ׀ M) be the usual Sobolev spaces and H^k=L:^2_k. See [2], [5],or [6] for the definitions. Here, denotes restriction. We prove the following for H^8 (s≥O an integer), but a similar proof also holds for L≥p_k:, and C^(k+a), 0≤1X≤1.
Item Type: | Article | ||||||
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Additional Information: | © 1973 CMS. Partially supported by National Research Council of Canada and NSF Grant GP-l5735. | ||||||
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Issue or Number: | 1 | ||||||
Record Number: | CaltechAUTHORS:20100824-120805312 | ||||||
Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20100824-120805312 | ||||||
Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
ID Code: | 19638 | ||||||
Collection: | CaltechAUTHORS | ||||||
Deposited By: | Ruth Sustaita | ||||||
Deposited On: | 01 Sep 2010 21:41 | ||||||
Last Modified: | 03 Oct 2019 01:59 |
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