The object of this paper is to investigate the superconvergence and ultraconvergence for the finite element approximatio......

本文研究了一类索赔过程与索赔额大小相关的风险模型．利用无穷小方法．得到了该相依模型的折扣惩罚函数的期望满足的方程．及其拉普拉斯......