Generalised voltage graphs

被引:4
作者
Potocnik, Primoz [1 ,2 ]
Toledo, Micael [2 ,3 ]
机构
[1] Univ Ljubljana, Fac Math & Phys, Jadranska 21, SI-1000 Ljubljana, Slovenia
[2] Inst Math Phys & Mech, Jadranska 21, SI-1000 Ljubljana, Slovenia
[3] Univ Primorska, Fac Math Nat Sci & Informat Technol, Glagoljaska 8, SI-6000 Koper, Slovenia
关键词
SYMMETRIC GRAPHS; CLASSIFICATION; AUTOMORPHISMS; COVERS;
D O I
10.1016/j.ejc.2021.103313
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
A graph with a semiregular group of automorphisms can be thought of as the derived cover arising from a voltage graph. Since its inception, the theory of voltage graphs and their derived covers has been a powerful tool used in the study of graphs with a significant degree of symmetry. We generalise this theory to graphs with a group of automorphisms that is not necessarily semiregular, and we generalise several well-known results of the classical theory of voltage graphs to this broader setting. (c) 2021 Elsevier Ltd. All rights reserved.
引用
收藏
页数:20
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