Open Access

## S. Nagarajan and G. Priyadharsini

#### Full Text

The Wiener index of a connected graph $\Lambda,$ denoted by $W(\Lambda),$ is defined as $\frac{1}{2}\sum\limits_{u,\,v\,\in\, V(\Lambda)}dist_{\Lambda}(u,v).$ In this paper, we present the explicit formulae for the Wiener invariant of tensor product of a given graph and a complete bipartite graph.

Keywords:
Distance, Wiener index, tensor product.