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- Xiangtan UniversityCN21 papers
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9 papers · 1 filter
Uniform convergence of multigrid finite element method for time-dependent Riesz tempered fractional problem
Minghua Chen, Weiping Bu, Wenya Qi +1
In this article a theoretical framework for the Galerkin finite element approximation to the time-dependent Riesz tempered fractional problem is provided without the fractional reg…
Time-space Finite Element Adaptive AMG for Multi-term Time Fractional Advection Diffusion Equations
Xiaoqiang Yue, Yehong Xu, Shi Shu +2
In this study we construct a time-space finite element (FE) scheme and furnish cost-efficient approximations for one-dimensional multi-term time fractional advection diffusion equa…
Fully Finite Element Adaptive Algebraic Multigrid Method for Time-Space Caputo-Riesz Fractional Diffusion Equations
Xiaoqiang Yue, Weiping Bu, Shi Shu +2
The paper aims to establish a fully discrete finite element (FE) scheme and provide cost-effective solutions for one-dimensional time-space Caputo-Riesz fractional diffusion equati…
Dynamics at Threshold in Mesoscale Class-B Lasers
T. Wang, H. Vergnet, G. P. Puccioni +1
The threshold properties of very small lasers (down to the nanoscale) are a topic of active research in light of continuous progress in nanofabrication. With the help of a simple r…
Globally hyperbolic moment model of arbitrary order for three-dimensional special relativistic Boltzmann equation
Yangyu Kuang, Huazhong Tang
This paper extends the model reduction method by the operator projection to the three-dimensional special relativistic Boltzmann equation. The derivation of arbitrary order moment…
On the 1-dimensional complex Ornstein-Uhlenbeck operator
Yong Chen
We show that for any fixed , the 1-dimensional complex Ornstein-Uhlenbeck operator \begin{equation*} \tilde{\mathcal{L}}_θ= 4\cosθ\frac{\p…