The NSF (10961014) of China, the NSF (0501332) of Guangdong Province, the Excellent Youth Talent Foundation (2009SQRZ149) of Anhui Province and the Fuyang Normal College Youth Foundation (20OSLQ11).
The main purpose of this paper is to investigate the connection between the Painlev′e property and the integrability of polynomial dynamical systems. We show t
In this paper,we consider a general expression for(u,x,y),the joint density function of the surplus prior to ruin and the deficit at ruin when the initial surpl