线性偏微分方程的交织Laplace变换
Intertwining Laplace Transformations of Linear Partial Differential Equations
摘要:
本文将Laplace变换推广到R^n中任意阶线性部分微分算子(LPDO)的情形.实际上,所有以前提出的LPDO的微分变换都是这种变换的特殊情况(交织拉普拉斯变换,ILT)。给出了构造ILT的一个完整算法,并描述了R^n中适合于这种变换的算子类。关键词:线性偏微分方程积分,拉普拉斯变换,微分变换
英文摘要:
We propose a generalization of Laplace transformations to the case of linear partial differential operators (LPDOs) of arbitrary order in R^n. Practically all previously proposed differential transformations of LPDOs are particular cases of this transformation (intertwining Laplace transformation, ILT). We give a complete algorithm of construction of ILT and describe the classes of operators in R^n suitable for this transformation. Keywords: Integration of linear partial differential equations, Laplace transformation, differential transformation
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