On the symmetric division deg index of graph
Web28 de jul. de 2024 · One of those numerical descriptors, the symmetric division deg index, is included in the list of 148 discrete Adriatic indices and is a very good predictor of total … WebWe explore here some mathematical properties and present explicit formulas for this new index under several graph operations. 2010 Mathematics Subject Classifications. 05C12, 05A15, 05A20, 05C05. . Let G = (V, E) be a graph. ... The Symmetric division deg index of a connected graphG, is de ned as SDD(G) = ∑ uv∈E(G) ...
On the symmetric division deg index of graph
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Web8 de out. de 2024 · Very recently, the first geometric-arithmetic index and arithmetic-geometric index were introduced in mathematical chemistry. In the present paper, we first obtain some lower and upper bounds on and characterize the extremal graphs. We also establish various relations between and other topological indices, such as the first … Web1 de dez. de 2024 · In addition, we get a lower bound on symmetric division deg index for all molecular (n, m, p)-graphs (n-order molecular graphs with m ≥ n edges and p > 0 pendant vertices). Introduction In mathematical chemistry, topological indices are numerical quantities associated with molecular chemical structure, and they play crucial roles in …
WebOn the Maximum Symmetric Division Deg Index of k-Cyclic Graphs Abeer M. Albalahi and Akbar Ali Department of Mathematics, Faculty of Science, University of Ha’il, Ha’il, Saudi Arabia Correspondence should be addressed to Akbar Ali; [email protected] Received 19 May 2024; Accepted 26 July 2024; Published 27 August 2024 Web7 de jul. de 2024 · Abstract: For a graph $G$ with vertex set $V_{G}$ and edge set $E_{G}$, the symmetric division deg index is defined as $SDD(G)=\sum\limits_{uv\in …
Web2 de mai. de 2024 · The symmetric division index is defined and used to determine surface of polychlorobiphenyls and formulated as The ... S. B. Shwetha, and P. S. Ranjini, “On the symmetric division deg index of graph,” Southeast Asian Bulletin of Mathematics, vol. 40, no. 1, pp. 41–51, 2016. Web27 de ago. de 2024 · The symmetric division deg index (or simply sdd -index) was proposed by Vukičević et al. as a remarkable predictor of total surface area of polychlorobiphenyls. It is one of discrete Adriatic indices …
WebIn this paper, we determine some sharp bounds on the symmetric division deg index of graphs and line graphs and characterize the corresponding extremal graphs. Keywords line graph, symmetric division deg index, bound. Mathematics Subject Classification: 05C07, 05C09, 05C92 1 Introduction We use U to denote the cardinality of set U.
can military officers date enlistedWeb10 de ago. de 2024 · Symmetric division degree index and inverse sum index of transformation graph. G Mohanappriya1 and D Vijayalakshmi1. Published under licence … can military go through pre tsahttp://pubs.sciepub.com/tjant/5/6/2/index.html can military honors be given more than onceWebGraph Operations on the symmetric division deg index of graphs 281 Denition: 2 The Symmetric division deg index of a connected graph G, is dened as SDD(G) = ∑ … fixed width xsltWeb1 de jan. de 2024 · Sharp bounds on the symmetric division deg index of graphs and line graphs. Hechao Liu, Yufei Huang; Mathematics. 2024; For a graph G with vertex set V G and edge set E G , the symmetric division deg index is defined as SDD ( G ) = P uv ∈ E G ( d u d v + d v d u ), where d u denotes the degree of vertex u in G . In … can military recruiters come to your houseWeb1 de dez. de 2024 · We get a lower bound on symmetric division deg index for all molecular (n,m,p)-graphs (n-order molecular graphs with m≥nedges and p>0pendant … can military members sue the governmentWebIn this paper, we investigate some properties of this graph invariant in terms of orbit structure of a graph and then we explore new bounds forsdd-index. In continuing, the … can military remove a president from office