Electronic Journal of Differential Equations,
Vol. 2004(2004), No. 23, pp. 1-12.

Title: Existence of positive solutions for fractional
       differential equations with Riemann-Liouville
       left-hand and right-hand fractional derivatives
       
Author: Shuqin Zhang (Tsinghua Univ., Beijing, China)

Abstract: 
 Combining  properties of Riemann-Liouville fractional calculus 
 and fixed point theorems, we obtain three existence results 
 of one positive solution and of multiple positive solutions 
 for initial value problems with fractional differential equations.

Submitted June 15, 2003. Published February 16, 2004.
Math Subject Classifications: 34B15.
Key Words: Existence of positive solution; fractional differential 
           equation; fixed point; cone.