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›› 2001, Vol. 18 ›› Issue (1): 6-11.DOI: 10.7523/j.issn.2095-6134.2001.1.002

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ON POSITIVE PERIODIC SOLUTIONS OF GENERALIZED LOTKA-VOLTERRA COMPETING SPECIES SYSTEMS WITH FORCED TERMS

Li Lin   

  1. Beijing Institute of Petro Chemical Technology, Beijing 102600
  • Received:2000-11-02 Online:2001-01-10

Abstract:

In the present paper,we consider the Lotka Volterra type n species competing systems with periodic coeffcients and periodic forced terms.We prove that if the forced terms are negative, the system has at least two positive (componentwise)periodic solutions.

Key words: competing species systems, positive periodic solutions, Poincare mapping

CLC Number: