POSITIVE PERIODIC SOLUTIONS OF THE FIRST- ORDER SINGULAR DISCRETE SYSTEMS |
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| Authors: | Ruipeng Chen and Xiaoya Li |
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| Affiliation: | Dept. of Math., North Minzu University, Yinchuan 750021, Ningxia, PR China and Dept. of Math., North Minzu University, Yinchuan 750021, Ningxia, PR China |
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| Abstract: | In this paper, we study two kinds of first-order singular discrete systems. By the fixed point index theory, we investigate the existence and multiplicity of positive periodic solutions of the systems. |
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| Keywords: | positive periodic solutions singular discrete systems delay fixed point index |
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