Geodesic
Functions uniformly quiet at zero and existence results for one-parameter boundary value problems
G. L. Karakostas1 ; P. Ch. Tsamatos1
1Department of Mathematics University of Ioannina 451 10 Ioannina, Greece
Annales Polonici Mathematici, Tome 78 (2002) no. 3, pp. 267-276
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We introduce the notion of uniform quietness at zero for a real-valued function and we study one-parameter nonlocal boundary value problems for second order differential equations involving such functions. By using the Krasnosel'skiĭ fixed point theorem in a cone, we give values of the parameter for which the problems have at least two positive solutions.
DOI : 10.4064/ap78-3-5
Keywords: introduce notion uniform quietness zero real valued function study one parameter nonlocal boundary value problems second order differential equations involving functions using krasnoselski fixed point theorem cone values parameter which problems have least positive solutions

G. L. Karakostas  1   ; P. Ch. Tsamatos  1

1 Department of Mathematics University of Ioannina 451 10 Ioannina, Greece 
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G. L. Karakostas; P. Ch. Tsamatos. Functions uniformly quiet at zero and existence results
for one-parameter boundary value problems. Annales Polonici Mathematici, Tome 78 (2002) no. 3, pp. 267-276. doi: 10.4064/ap78-3-5

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