Wei-Hsuan Yu

collaborators

2 papers

math.CO2025

Existence and nonexistence of spherical $5$ -designs of minimal type

Sho Suda, Zili Xu, Wei-Hsuan Yu

This paper investigates the existence and properties of spherical $5$ -designs of minimal type. We focus on two cases: tight spherical $5$ -designs and antipodal spherical $4$ -distan…

math.CO2025

Unbiased weighing matrices of weight $9$

Makoto Araya, Masaaki Harada, Hadi Kharaghani +2

We investigate unbiased weighing matrices of weight $9$ and provide a construction method using mutually suitable Latin squares. For $n \leq 16$ , we determine the maximum size among…

Existence and nonexistence of spherical 5-designs of minimal type

Unbiased weighing matrices of weight 9

Existence and nonexistence of spherical $5$ -designs of minimal type

Unbiased weighing matrices of weight $9$