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Abstract
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International Journal of Mathematics and Mathematical Sciences
Volume 12 (1989), Issue 3, Pages 615-618
doi:10.1155/S016117128900075X

A note on global existence for boundary value problems

Chuan J. Chyan and Johnny Henderson

Department of Algebra, Combinatorics and Analysis, Auburn University, Auburn, Alabama 36849, USA

Abstract

Upper and lower solutions are used in establlsning global existence results for certain two–point boundary value problems for y‴=f(x,y,y′,y″) and y(n)=f(x,y,y′,...,y(n−1)).