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math.CO2018★ 2 cited
The core index of a graph
Dinesh Pandey, Kamal Lochan Patra
For a graph we denote the number of connected subgraphs of by . For a tree , has been studied extensively and it has been observed that has a revers…
math.CO2018
Vertex connectivity of the power graph of a finite cyclic group II
Sriparna Chattopadhyay, Kamal Lochan Patra, Binod Kumar Sahoo
The power graph of a given finite group is the simple undirected graph whose vertices are the elements of , in which two distinct vertices are adjacent if a…
math.CO2018
Minimal cut-sets in the power graphs of certain finite non-cyclic groups
Sriparna Chattopadhyay, Kamal Lochan Patra, Binod Kumar Sahoo
The power graph of a group is the simple graph with vertices as the group elements, in which two distinct vertices are adjacent if and only if one of them can be obtained as an int…