2 papers
math.NA2023
Two kinds of numerical algorithms for ultra-slow diffusion equations
Min Cai, Changpin Li, Yu Wang
In this article, two kinds of numerical algorithms are derived for the ultra-slow (or superslow) diffusion equation in one and two space dimensions, where the ultra-slow diffusion…
math.CO2023
The Laplacian spectral ratio of connected graphs
Zhen Lin, Jiajia Wang, Min Cai
Let be a simple connected undirected graph. The Laplacian spectral ratio of , denoted by , is defined as the quotient between the largest and second smallest Laplaci…