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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