Criteria to bound the number of critical periods

F. Mañosas, J. Villadelprat

Research output: Contribution to journalArticleResearchpeer-review

12 Citations (Scopus)

Abstract

In the present paper we study the period function of centers of potential systems. We obtain criteria to bound the number of critical periods. In case that the system is polynomial, our result enables to tackle the problem from a purely algebraic point of view, since it allows to bound the number of critical periods by counting the zeros of a polynomial. To illustrate its applicability some new and old results are proved. © 2008 Elsevier Inc. All rights reserved.
Original languageEnglish
Pages (from-to)2415-2433
JournalJournal of Differential Equations
Volume246
DOIs
Publication statusPublished - 15 Mar 2009

Keywords

  • Center
  • Chebyshev system
  • Critical period
  • Period function

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