A lower bound for the first Zagreb index and its application
Qinghai Normal University, Nankai University,China
University of Primorska--FAMNIT,Slovenia; University of Messina,Italy
Minisymposium: CHEMICAL GRAPH THEORY
Content: In this report, we will introduce a new lower bound for the first Zagreb index and determine all the extreme graphs. These results not only contain many previous ones but are helpful to find new graphs determined by the Laplcian spectra.