报告题目：Laguerre functions and their applications to tempered fractional differential equations on infinite intervals
报告时间：2018年6月30日14:00-15:00
报告地点：理学院120室
报告人: 王立联，新加坡南洋理工大学教授，主要从事数值分析和科学计算方面研究工作。
报告摘要:Tempered fractional diffusion equations (TFDEs) involving tempered fractional derivatives on the whole space were first introduced in Sabzikar et al. (J Comput Phys 293:14–28, 2015), but only the finite-difference approximation to a truncated problem on a finite interval was proposed therein. In this paper, we rigorously show the well-posedness of the models in Sabzikar et al. (2015), and tackle them directly in infinite domains by using generalized Laguerre functions (GLFs) as basis functions. We define a family of GLFs and derive some useful formulas of tempered fractional integrals/derivatives. Moreover, we establish the related GLF-approximation results. In addition, we provide ample numerical evidences to demonstrate the efficiency and “tempered” effect of the underlying solutions of TFDEs.
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