Electronic Journal of Differential Equations,
Vol. 2010(2010), No. 63, pp. 1-9.

Title: 	Functional expansion - compression fixed point theorem of
Leggett-Williams type

Authors:  Douglas R. Anderson (Concordia College, Moorhead, MN, USA)
          Richard I. Avery  (Dakota State Univ., Madison, SD, USA)
	  Johnny Henderson  (Baylor University, Waco, TX, USA)
	 
Abstract:
 This paper presents a  fixed point theorem of compression
 and expansion of functional type in the spirit of the original
 fixed point work of Leggett-Williams.  Neither the entire
 lower nor the entire upper boundary is required to be mapped
 inward or outward.

Submitted November 19, 2009. Published May 05, 2010.
Math Subject Classifications: 47H10.
Key Words: Fixed-point theorems; Leggett-Williams; expansion;
           compression; positive solutions.