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Positive solutions of higher-order boundary-value problems
被引:20
|作者:
Kong, LJ
[1
]
Kong, QK
[1
]
机构:
[1] No Illinois Univ, Dept Math Sci, De Kalb, IL 60115 USA
关键词:
existence;
non-existence;
positive solutions;
lower and upper solutions;
Schauder fixed-point theorem;
D O I:
10.1017/S0013091504000860
中图分类号:
O1 [数学];
学科分类号:
0701 ;
070101 ;
摘要:
We consider a class of even-order boundary-value problems with nonlinear boundary conditions and an eigenvalue parameter lambda in the equations. Sufficient conditions are obtained for the existence and non-existence of positive solutions of the problems for different values of lambda.
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页码:445 / 464
页数:20
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