利用抛物型偏微分方程的极值原理，得到了带跳扩散模型下美式期权价格及最佳实施边界的误差估计。
Using the critical estimates of parabolic type partial differential equation. we obtain the error estimates of price and optimal exercise boundary of American option in a jump-diffusion model.
利用反演原理和极值原理讨论了一类生物数学模型正解的爆破现象，获得了解的爆破集和爆破率。
By the maximum principles and reflection principles, the blow-up of positive solutions of a biomathematics model was studied, and blow-up set and blow-up rate are obtained.
利用庞特里亚金极值原理推导了基于上述两种动力学方程的最优控制模型。
According to pontryagin minimum principle, the optimum control model was founded based on above two kinetics equations.
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