University of KashanIranian Journal of Mathematical Chemistry2228-64898420171201Extremal Trees with Respect to Some Versions of Zagreb Indices Via Majorization3914014864210.22052/ijmc.2017.46693.1161ENM.EliasiDepartment of Mathematics, Khansar Faculty of Computer and Mathematical Sciences, Khansar IranA.GhalavandDepartment of Mathematics, Khansar Faculty of Computer and Mathematical Sciences, Khansar Iran0000-0002-8186-0146Journal Article20160111The aim of this paper is using the majorization technique to identify the classes of trees with extermal (minimal or maximal) value of some topological indices, among all trees of order n ≥ 12.https://ijmc.kashanu.ac.ir/article_48642_64062001663bd96ec4ae467dcd11a0d2.pdf