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arXiv:math/0504268 [math.FA]AbstractReferencesReviewsResources

Differentiation, implicit functions, and applications to generalized well-posedness

Seppo I Hiltunen

Published 2005-04-13, updated 2005-08-19Version 3

This article is centered around generalizing a previous implicit function theorem of the author to be applicable for maps f:E sqcap F to F which can be lifted to Keller C^k_pi maps f_i:E sqcap F_i to F_i with F_i Banach and F=projlim F_i . We prove theorems about existence and differentiability of functions g satisfying f(x,g(x))=b constant. In addition to these abstract theorems, we give several examples of applications to proving smooth dependence of the solution on initial/boundary values and the nonlinearity in nonlinear (partial) differential equations.

Comments: AmS-TeX, 36 pages; v2: added some details of proof; v3: '4 Remarks' in Section 2 supplemented and modified, few misprints corrected
Categories: math.FA
Subjects: 58C15, 47J07, 46T20, 46T25, 35B30
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