On Multiple Zagreb Indices of TiO2 Nanotubes
نویسندگان
چکیده
منابع مشابه
Note on multiple Zagreb indices
The Zagreb indices are the oldest graph invariants used in mathematical chemistry to predict the chemical phenomena. In this paper we define the multiple versions of Zagreb indices based on degrees of vertices in a given graph and then we compute the first and second extremal graphs for them.
متن کاملThe Redefined First, Second and Third Zagreb Indices of Titania Nanotubes TiO2[m,n]
School of Information Science and Technology, Yunnan Normal University, Kunming 650500, China Department of Applied Mathematics, Iran University of Science and Technology (IUST) Narmak, Tehran, 16844, Iran Department of Mathematics, Riphah Institute of Computing and Applied Sciences (RICAS) Riphah International University, 14 Ali Road Lahore, Pakistan Department of Mathematics, Comsats Institut...
متن کاملnote on multiple zagreb indices
the zagreb indices are the oldest graph invariants used in mathematical chemistry to predictthe chemical phenomena. in this paper we define the multiple versions of zagreb indicesbased on degrees of vertices in a given graph and then we compute the first and secondextremal graphs for them.
متن کاملOn discriminativity of Zagreb indices
Zagreb indices belong to better known and better researched topological indices. We investigate here their ability to discriminate among benzenoid graphs and arrive at some quite unexpected conclusions. Along the way we establish tight (and sometimes sharp) lower and upper bounds on various classes of benzenoids.
متن کاملNew Bounds on Zagreb Indices
The Zagreb indices are among the oldest and the most famous topological molecular structure-descriptors. The first Zagreb index is equal to the sum of the squares of the degrees of the vertices, and the second Zagreb index is equal to the sum of the products of the degrees of pairs of adjacent vertices of the respective graph. In this paper, we characterize the extremal graphs with maximal, sec...
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ژورنال
عنوان ژورنال: Acta Chimica Slovenica
سال: 2015
ISSN: 1318-0207
DOI: 10.17344/acsi.2015.1746