Approximation of Space-Time Fractional Equations

被引：0
作者：
Capitanelli, Raffaela [1 ]
D'Ovidio, Mirko [1 ]
机构：
[1] Sapienza Univ Rome, Dept Basic & Appl Sci Engn, Via A Scarpa 10, I-00161 Rome, Italy
来源：
FRACTAL AND FRACTIONAL | 2021年 / 5卷 / 03期
关键词：
space-time fractional equations; Dirichlet forms; asymptotics; CONVERGENCE;
D O I：
10.3390/fractalfract5030071
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
The aim of this paper is to provide approximation results for space-time non-local equations with general non-local (and fractional) operators in space and time. We consider a general Markov process time changed with general subordinators or inverses to general subordinators. Our analysis is based on Bernstein symbols and Dirichlet forms, where the symbols characterize the time changes, and the Dirichlet forms characterize the Markov processes.
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页数：9
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