# The Method of Lower and Upper Solutions for Fourth-Order Two-Point Boundary Value Problems

@article{Ruyun1997TheMO,
title={The Method of Lower and Upper Solutions for Fourth-Order Two-Point Boundary Value Problems},
author={Ma Ru-yun and Zhang Jihui and Fu Shengmao},
journal={Journal of Mathematical Analysis and Applications},
year={1997},
volume={215},
pages={415-422}
}
• Published 15 November 1997
• Mathematics
• Journal of Mathematical Analysis and Applications
Abstract In this paper we develop the monotone method in the presence of lower and upper solutions for the problem u (IV) = f(x, u(x), u″(x)), u(0) = u(1) = u″(0) = u″(1) = 0, where f : [0, 1] ×  R  ×  R  →  R is continuous.
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