Maximum values of the edge Mostar index in tricyclic graphs

Fazal Hayat, Shou-Jun Xu, Bo Zhou

For a graph $G$, the edge Mostar index of $G$ is the sum of $|m_u(e|G)-m_v(e|G)|$ over all edges $e=uv$ of $G$, where $m_u(e|G)$ denotes the number of edges of $G$ that have a smal…