Asymptotic expansions of quasiperiodic solutions
L. Chierchia, E. Zehnder (1989)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
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L. Chierchia, E. Zehnder (1989)
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze
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Andrzej Drozdowicz, Janusz Migda (2002)
Mathematica Slovaca
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Ivana Horová (1984)
Archivum Mathematicum
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Oto Strauch (1989)
Mathematica Slovaca
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Edward Bierstone, P. D. Milman (1987)
Annales de l'institut Fourier
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This is a sequel to “Relations among analytic functions I”, , , fasc. 1, [pp. 187-239]. We reduce to semicontinuity of local invariants the problem of finding solutions to systems of equations involving division and composition by analytic functions. We prove semicontinuity in several general cases : in the algebraic category, for “regular” mappings, and for module homomorphisms over a finite mapping.