3 papers
math.CO2022
On the and matrices over certain groups
Yogendra Singh, Anand Kumar Tiwari, Fawad Ali
The power graph of a finite group is a graph with the vertex set and two vertices form an edge if and only if one is an integral power of the other.…
math.CO2022
On the Spectral properties of power graphs over certain groups
Yogendra Singh, Anand Kumar Tiwari, Fawad Ali
The power graph of a group is a graph with the vertex set such that two distinct vertices form an edge if and only if one of them is an integral power of the other.…
math.CO2021
Hamiltonicity of doubly semi-equivelar maps on the torus
Yogendra Singh, Anand Kumar Tiwari, Seema Kushwaha
The well-known twenty types of 2-uniform tilings of the plane give rise infinitely many doubly semi-equivelar maps on the torus. In this article, we show that every such doubly sem…