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math.CO2026
Locally 2-homogeneous block designs
Jianfu Chen, Peice Hua, Cai Heng Li +1
This paper presents a classification of locally -homogeneous designs, extending Kantor's classification of 2-transitive symmetric designs (1985).
math.CO2026
Geodesic-transitive graphs with large diameter
Pei Ce Hua
We review the nearly complete classification project for finite distance-transitive graphs and compile a list of all known graphs. Interestingly, we find that those graphs with dia…
math.CO2024
Locally primitive block designs
Jianfu Chen, Peice Hua, Cai Heng Li +1
A locally primitive 2-design is a 2-design admitting an automorphism group with primitive local actions. It is proved that is point-primitive, and either is an almost s…