Geodesic
Functional expansion-compression fixed point theorem of Leggett-Williams type
Electronic journal of differential equations, Tome 2010 (2010)
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.
Classification : 47H10
Keywords: fixed-point theorems, Leggett-Williams, expansion, compression, positive solutions 
@article{EJDE_2010__2010__a38,
     author = {Anderson,  Douglas R. and Avery,  Richard I. and Henderson,  Johnny},
     title = {Functional expansion-compression fixed point theorem of {Leggett-Williams} type},
     journal = {Electronic journal of differential equations},
     year = {2010},
     volume = {2010},
     zbl = {1226.47054},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2010__2010__a38/}
}
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%T Functional expansion-compression fixed point theorem of Leggett-Williams type
%J Electronic journal of differential equations
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%F EJDE_2010__2010__a38
Anderson,  Douglas R.; Avery,  Richard I.; Henderson,  Johnny. Functional expansion-compression fixed point theorem of Leggett-Williams type. Electronic journal of differential equations, Tome 2010 (2010). http://geodesic.mathdoc.fr/item/EJDE_2010__2010__a38/