Institute of Applied Mathematics and Engineering Computations, Hangzhou Dianzi University, Hangzhou 310018, China
Copyright © 2009 Shihuang Hong. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
We present sufficient conditions for the existence of at
least twin or triple positive solutions of a nonlinear four-point singular boundary
value problem with a -Laplacian dynamic equation on a time scale. Our results
are obtained via some new multiple fixed point theorems.