Open AccessЗаметка о первых загребских индексах
Author(s) -
Igor Ž. Milovanović,
Emina I. Milovanović
Publication year - 2016
Publication title -
vladikavkazskij matematičeskij žurnal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.126
H-Index - 2
eISSN - 1814-0807
pISSN - 1683-3414
DOI - 10.23671/vnc.2016.1.5955
Subject(s) - combinatorics , mathematics , undirected graph , graph , generalization , discrete mathematics , mathematical analysis
Let G bean undirected connected graph with $n\ge 2$ vertices and m edges. In this paper we are concerned with inequalities that reveal connections between graph invariants called first Zagreb index and reformulated first Zagreb index. Some of the obtained results represent generalization of the known nequalities.