Zobrazeno 1 - 1
of 1
pro vyhledávání: '"Jiang, Lingyao"'
The connective eccentricity index $\xi^{ce}=\sum^{}_{u\in V}\frac{d(u)}{\varepsilon(u)}$, where $\varepsilon(u)$ and $d(u)$ denote the eccentricity and the degree of the vertex $u$, respectively. In this paper, we first determine the extremal trees w
Externí odkaz:
http://arxiv.org/abs/1702.04608