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arXiv 0711.3779math-phcond-mat.stat-mechmath.CVmath.MP
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Fox-Wright函数在分布阶分数阶次扩散中的作用

The role of the Fox-Wright functions in fractional sub-diffusion of distributed order

Francesco Mainardi, Gianni Pagnini

摘要:

基于分数阶扩散方程的Mellin-Barnes积分表示,得到了分数阶扩散方程的基本解.这种解决方案被证明是通过一个拉普拉斯型积分的Fox-Wright功能。为了指出与分数阶分布有关的时标分布,还提供了一个级数展开。回顾了单阶时间分数阶扩散方程的结果,并从一般理论出发重新得到了相应的结果。

英文摘要:

The fundamental solution of the fractional diffusion equation of distributed order in time (usually adopted for modelling sub-diffusion processes) is obtained based on its Mellin-Barnes integral representation. Such solution is proved to be related via a Laplace-type integral to the Fox-Wright functions. A series expansion is also provided in order to point out the distribution of time-scales related to the distribution of the fractional orders. The results of the time fractional diffusion equation of a single order are also recalled and then re-obtained from the general theory.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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