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THE EXISTENCE OF POSITIVE PERIODIC SOLUTION FOR A LOTKA-VOLTERRA DIFFERENCE SYSTEM 被引量:1

THE EXISTENCE OF POSITIVE PERIODICSOLUTION FOR A LOTKA-VOLTERRADIFFERENCE SYSTEM
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摘要 A general periodic Lotka-Volterra difference system is studied in this paper. A set of easily verifiable sufficient conditions that guarantee the existence of the positive periodic solutions is obtained. A general periodic Lotka-Volterra difference system is studied in this paper. A set of easily verifiable sufficient conditions that guarantee the existence of the positive periodic solutions is obtained.
出处 《Annals of Differential Equations》 2002年第4期323-329,共7页 微分方程年刊(英文版)
基金 This work is supported by the Youth Science Foundation of Naval Aeronautical Engineering Academy.
关键词 periodic Lotka-Volterra difference systems coincidence degree Fred-holm mapping periodic Lotka-Volterra difference systems, coincidence degree, Fred-holm mapping
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