3 papers
math.NA2025
Finite element method for a constant time delay subdiffusion equation with Riemann-Liouville fractional derivative
Weiping Bu, Chen Nie, Weizhi Liao
This work considers to numerically solve a subdiffusion equation involving constant time delay and Riemann-Liouville fractional derivative. First, a fully discrete finite eleme…
math.NA2025
Finite element method with Grünwald-Letnikov type approximation in time for a constant time delay subdiffusion equation
Weiping Bu, Xueqin Zhang, Weizhi Liao +1
In this work, a subdiffusion equation with constant time delay is considered. First, the regularity of the solution to the considered problem is investigated, finding that its…
math.NA2024
Local convergence analysis of L1/finite element scheme for a constant delay reaction-subdiffusion equation with uniform time mesh
Weiping Bu, Xin Zheng
The aim of this paper is to develop a refined error estimate of L1/finite element scheme for a reaction-subdiffusion equation with constant delay and uniform time mesh. Under t…