Journal of applied mathematics & informatics
- 제25권1_2호
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- Pages.245-253
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- 2007
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- 2734-1194(pISSN)
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- 2234-8417(eISSN)
EXISTENCE OF POSITIVE SOLUTIONS OF SECOND-ORDER NONLINEAR NEUTRAL DIFFERENTIAL EQUATIONS WITH POSITIVE AND NEGATIVE TERMS
- Zhang, Zhenguo (College of Mathematics and Information of Science, Hebei Normal University) ;
- Yang, Aijun (College of Mathematics and Information of Science, Hebei Normal University) ;
- Di, Congna (College of Mathematics and Information of Science, Hebei Normal University)
- 발행 : 2007.09.30
초록
In this paper, the existence of bounded positive solution of the second-order nonlinear neutral differential equations are studied. Some new sufficient conditions are given. Furthermore, examples given show that the results here are almost sharp.
키워드