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math.NA2021
Analytical and numerical investigation on the tempered time-fractional operator with application to the Bloch equation and the two-layered problem
Libo Feng, Fawang Liu, Vo V. Anh +1
In the continuous time random walk model, the time-fractional operator usually expresses an infinite waiting time probability density. Different from that usual setting, this work…
math.PR2021
Fractional Stochastic Partial Differential Equation for Random Tangent Fields on the Sphere
Vo V. Anh, Andriy Olenko, Yu Guang Wang
This paper develops a fractional stochastic partial differential equation (SPDE) to model the evolution of a random tangent vector field on the unit sphere. The SPDE is governed by…