Positive Solutions to Periodic Boundary Value Problems for Four-Order Differential Equations
Keyword(s):
We apply fixed point theorem in a cone to obtain sufficient conditions for the existence of single and multiple positive solutions of periodic boundary value problems for a class of four-order differential equations.
2008 ◽
Vol 200
(1)
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pp. 123-132
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2004 ◽
Vol 154
(2)
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pp. 531-542
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2014 ◽
Vol 49
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pp. 343-355
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2003 ◽
Vol 286
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pp. 563-576
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2006 ◽
Vol 2006
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pp. 1-11
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2011 ◽
Vol 2011
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pp. 1-8
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