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math.GR2016
The complement of proper power graphs of finite groups
T. Anitha, R. Rajkumar, Andrei Gagarin
For a finite group , the proper power graph of is the graph whose vertices are non-trivial elements of and two vertices and are adjacent if an…
math.GR2015★ 3 cited
Classification of finite groups with toroidal or projective-planar permutability graphs
R. Rajkumar, P. Devi, Andrei Gagarin
Let be a group. The permutability graph of subgroups of , denoted by , is a graph having all the proper subgroups of as its vertices, and two subgroups are adjacen…