Acta mathematica scientia,Series B ›› 2012, Vol. 32 ›› Issue (2): 672-694.doi: 10.1016/S0252-9602(12)60048-4

• Articles • Previous Articles     Next Articles

POSITIVE SOLUTIONS FOR SINGULAR BVPs ON THE POSITIVE HALF-LINE ARISING FROM EPIDEMIOLOGY AND COMBUSTION THEORY

 Smaïl Djebali, Ouiza Saïfi, YAN Bao-Qiang*   

  1. Department of Mathematics, E.N.S., P.O. Box 92, 16050 Kouba. Algiers, Algeria; Department of Economics, Faculty of Economic and Management Sciences, Algiers University, Algeria; Department of Mathematics, Shandong Normal University, Jinan 250014, China
  • Received:2009-11-19 Revised:2011-02-14 Online:2012-03-20 Published:2012-03-20
  • Contact: YAN Bao-Qiang,yanbqcn@yahoo.com.cn E-mail:djebali@ens-kouba.dz;saifi-kouba@yahoo.fr;yanbqcn@yahoo.com.cn

Abstract:

In this work, we are concerned with the existence and multiplicity of positive solutions for singular boundary value problems on the half-line. Two problems from epi-demiology and combustion theory set on the positive half-line are investigated. We use upper and lower solution techniques combined with fixed point index on cones in appro-priate Banach spaces. The results complement recent ones in the literature.

Key words: Fixed points index, positive solution, singular problem, cone, lower and upper solution, half-line

CLC Number: 

  • 34B15
Trendmd