On the symmetric division deg index of graph

Webthe symmetric division deg index, is included in the list of 148 discrete Adriatic indices and is a very good predictor of total surface area of polychlorobiphenyls (PCB). The symmetric division deg indexof a graph . G. is defined by ( ) { } { } { } ~ { } min , max ,. max , min , ij ij ij ij ij. dd dd R RG dd dd = = + ∑. The concept of the ... Web11 de out. de 2024 · The symmetric division deg (SDD) index is among the 148 discrete Adriatic indices that were developed about a decade ago. Motivated by the success of …

Symmetric division degree index and inverse sum index of …

Web10 de ago. de 2024 · Symmetric division degree index and inverse sum index of transformation graph. G Mohanappriya1 and D Vijayalakshmi1. Published under licence … Web1 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 … floral print pants for men https://frikingoshop.com

Graphs that Minimizing Symmetric Division Deg Index

Web25 de out. de 2024 · This index (SDD(G)) which is vertex degree-based topological index is defined as ∑((〖d_u〗^2+〖d_v〗^2)⁄(d_u d_v)). It is computed symmetric division deg … 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 Inverse Symmetric Division Deg Index of Unicyclic Graphs Abeer M. Albalahi and Akbar Ali * Department of Mathematics, Faculty of Science, University of Ha’il, Ha’il 2440, Saudi Arabia * Correspondence: [email protected] Abstract: The symmetric division deg (SDD) index is among the 148 discrete Adriatic indices that great shepherd baptist church

Computation of M-Polynomial and Topological Indices of Phenol …

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On the symmetric division deg index of graph

On the symmetric division deg index of molecular graphs

Web10 de ago. de 2024 · Symmetric division degree index and inverse sum index of transformation graph. G Mohanappriya1 and D Vijayalakshmi1. Published under licence by IOP Publishing Ltd. Journal of Physics: Conference Series , Volume 1139 , International Conference on Applied and Computational Mathematics 10 August 2024, Tamilnadu, … Web1 de dez. de 2024 · In 2024, Furtula et al. proved that the symmetric division deg index is a viable and applicable topological index in QSPR/QSAR investigations. In this article, …

On the symmetric division deg index of graph

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http://pubs.sciepub.com/tjant/5/6/2/index.html Web15 de mai. de 2024 · In this work, by a graph, we mean a simple, finite and connected one. The symmetric division deg index a graph invariant based on degree of vertices and it is defined as follows: (1) SDD (G) = ∑ u v ∈ E (G) d u 2 + d v 2 d u d v, where d u and d v denotes the degrees of vertices u and v.

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 … WebIn 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 inverse symmetric division deg index is defined and new results concerning these two graph indices are stablished. Finally, some bounds for both indices are presented. 展开

WebThe symmetric division deg (SDD) index is one the 148 discrete Adriatic indices, introduced several years ago. The SDD index has already been proved a valuable index … Web16 de dez. de 2024 · The symmetric division deg (SDD) index of a simple graph G is defined as SDD(G) = uv∈E(G) (du dv + dv du), where E(G) is the edge set of G and du denotes …

Web30 de jun. 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 …

Web24 de mar. de 2024 · A symmetric graph is a graph that is both edge- and vertex-transitive (Holton and Sheehan 1993, p. 209). However, care must be taken with this definition since arc-transitive or a 1-arc-transitive graphs … great shepherdWebGRAPH OPERATIONS ON THE SYMMETRIC DIVISION DEG INDEX OF GRAPHS. Authors: C. K. Gupta , V. Lokesha, Shwetha B. S3 and Ranjini P. S4. file: … floral print perfume bottlesWeband then we explore new bounds for sdd-index. In continuing, the inverse symmetric division deg index is defined and new results concerning these two graph indices are stablished. Finally, some bounds for both indices are presented. Keywords Automorphism group · Edge-orbit · Symmetric division deg index · Graph invariants great shelford parish council websiteWebOn 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 floral print pleated backless slip maxi dressWebGraph 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) = ∑ … great sheng nationWeb1 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 … floral print percale sheetsWebA graph is d-regular if all its vertices have degree d; a graph is (a;b)-regular if its vertices have degree either a or b. (Beware: no bipartiteness is required in our definition of (a;b)-regular graph. For all graph theoretical terms the reader is referred to reference [15]). The symmetric division deg index of G, defined by SDD(G) = X (i;j ... floral print random rolled cuff dress