通过对带扰动项的Lévy风险过程的研究得到了其罚金折现期望(G-S)函数满足的更新方程,并给出了它的一个无穷级数表达式.
this paper,a Lévy risk model perturbed by diffusion is discussed and a result that G-S functionΦsatisfies a renewal equation is obtained.Also an infinite series expression of G-S functionΦis given.