第二章中研究了具有扩散项的SIR模型的动力学。

In second chapter, we research the dynamics of a SIR model with diffusion terms.

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采用偏微分方程方法讨论了带跳扩散项的永久百慕大期权定价问题。

In this paper, we study the pricing problem of the perpetual Bermudan option with jump-diffusion by PDE (partial differential equation) method.

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利用动力学方程组，并对其中垂直梯度项和垂直扩散项进行了参数化处理。

Dynamic equations are used in which the vertical gradient and vertical diffusion are parameterized.

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