papers
Publications (10)
math.GR2015
Permutability graph of cyclic subgroups
R. Rajkumar, P. Devi
math.GR2017
The complement of proper power graphs of finite groups
T. Anitha, R. Rajkumar, Andrei Gagarin
math.GR2016
Inclusion graph of subgroups of a group
P. Devi, R. Rajkumar
math.GR2015
Coprime graph of subgroups of a group
R. Rajkumar, P. Devi
math.GR2015
Intersection graph of cyclic subgroups of groups
R. Rajkumar, P. Devi
math.CO2010
Distance Graphs of Metric Spaces with Rosenbloom - Tsfasman metric
W. B. Vasantha, R. Rajkumar
math.CO2019
Spectra of $(H_1,H_2)$-merged subdivision graph of a graph
R. Rajkumar, M. Gayathri
The paper introduces a ternary graph operation that unifies several known constructions (subdivision, R‑graph, central, total, etc.) into a new graph denoted [S(G)]^{H1}_{H2}, and…
#graph operations#spectral graph theory#adjacency spectrum#laplacian spectrum
math.GR2015
Toroidality and projective-planarity of intersection graphs of subgroups of finite groups
R. Rajkumar, P. Devi
math.GR2018
Some results on the reduced power graph of a group
R. Rajkumar, T. Anitha
math.GR2015
Classification of finite groups with toroidal or projective-planar permutability graphs
R. Rajkumar, P. Devi, Andrei Gagarin