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math.CO2026
Regular, and (bi-)rotary Hall Cayley maps
Wendi Di, Zheng Guo, Cai Heng Li
A classification is given of regular, rotary, and birotary Cayley maps of which the vertex number is coprime to the valency. The classification is involved in constructions of new…
math.CO2024
Arc-transitive maps with coprime Euler characteristic and edge number -- II
Cai Heng Li, Luyi Liu
This is the second of a series of papers which aim towards a classification of edge-transitive maps of which the Euler characteristic and the edge number are coprime. This one carr…
math.CO2018★ 1 cited
Finite -connected homogeneous graphs
Cai Heng Li, Jin-Xin Zhou
A finite graph $\G$ is said to be {\em -connected homogeneous} if every isomorphism between any two isomorphic (connected) subgraphs of order at most extends to an…