A lower bound for the first Zagreb index and its application

Jianfeng Wang
Qinghai Normal University, Nankai University,China

Francesco Belardo
University of Primorska--FAMNIT,Slovenia; University of Messina,Italy

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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.

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