Existence of Positive Solution for A Class Four Order Differential Equations

Guo Baichang (Teacher's Science College of Beihua University,Jilin?132033,China)  

Consider the four order differential equation(r(t)(t)) ″+ f(t,x(g(t)))=0,sufficient conditions are obtained for existence of positive solution of equation.

Download(CAJ format) Download(PDF format)

CAJViewer7.0 supports all the CNKI file formats; AdobeReader only supports the PDF format.