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Periodic boundary value problems for first-order integro-differential equations of mixed type
被引:0
|作者:
Fubao Z.
[1
]
机构:
[1] Department of Mathematics, Xuzhou Normal University
关键词:
Coincidence degree;
Generalized upper and lower solutions;
Integro-differential equation of mixed type;
Monotone iteration;
D O I:
10.1007/BF02459016
中图分类号:
学科分类号:
摘要:
The existence of at least one solution and the existence of extreme solutions of periodic boundary value problems for first-order integro-differential equations of mixed type are studied, in the presence of generalized upper and /ewer solutions. The discussion is based on new comparison theorems and coincidence degree and monotone iterative methods.
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页码:363 / 370
页数:7
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