Produktbild: Positive Solutions to Indefinite Problems

Positive Solutions to Indefinite Problems

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A Topological Approach, Frontiers in Mathematics

ISBN: 3319942379
ISBN 13: 9783319942377
Autor: Feltrin, Guglielmo
Verlag: Springer Basel AG
Umfang: xxix, 304 S.
Erscheinungsdatum: 05.12.2018
Auflage: 1/2019
Produktform: Kartoniert
Einband: Kartoniert

This book is devoted to the study of positive solutions to indefinite problems. The monograph intelligibly provides an extensive overview of topological methods and introduces new ideas and results. Sticking to the one-dimensional setting, the author shows that compelling and substantial research can be obtained and presented in a penetrable way. In particular, the book focuses on second order nonlinear differential equations. It analyzes the Dirichlet, Neumann and periodic boundary value problems associated with the equation and provides existence, nonexistence and multiplicity results for positive solutions. The author proposes a new approach based on topological degree theory that allows him to answer some open questions and solve a conjecture about the dependence of the number of positive solutions on the nodal behaviour of the nonlinear term of the equation. The new technique developed in the book gives, as a byproduct, infinitely many subharmonic solutions and globally defined positive solutions with chaotic behaviour. Furthermore, some future directions for research, open questions and interesting, unexplored topics of investigation are proposed.

Artikelnummer: 5159277 Kategorie:

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