4 papers
math.NA2024
Ghost-OSD Method on Numerical Max-Plus Algebra
Yohei Oshida
In this paper, we introduce a method for reducing the calculation time of matrix exponentiation calculations on numerical max-plus algebra. In particular, we explain Ghost-OSD Meth…
math.AC2022
Minimal free resolution of Crystal module
Yohei Oshida
The join-meet ideal was introduced by Takayuki Hibi in 1987. It is binomial ideals that are defined by finite lattices. We study the join-meet ideal of non-distributive finite latt…
math.AC2022
Total of each of the 1-th and 2-th Betti numbers of the join-meet ideal of Special Crystal Lattice
Yohei Oshida
The join-meet ideal was introduced by Takayuki Hibi in 1987. It is binomial ideals that are defined by finite lattices. We study the join-meet ideal of non-distributive finite latt…
math.AC2022
New examples of radical join-meet ideals
Yohei Oshida
In this paper, we give new examples of a finite lattice such that the join-meet ideal is radical.