EXISTENCE OF POSITIVE T -PERIODIC SOLUTIONS OF RATIO-DEPENDENT PREDATOR-PREY SYSTEMS

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Published: Feb 15, 2021
DOI: https://doi.org/10.14403/jcms.2021.34.1.27
Keywords:
T -periodic positive solution, ratio-dependent, predatorprey

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Kimun Ryu
Department of Mathematics Education, Cheongju University

Abstract





We study the existence of positive T -periodic solutions of ratio-dependent predator-prey systems with time periodic and spatially dependent coefficients. The fixed point theorem by H. Amann is used to obtain necessary and sufficient conditions for the existence of positive T -periodic solutions.





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Article Details

Issue
Vol. 34 No. 1 (2021)
Section
Articles