Results 231 to 240 of about 4,059,402 (265)

On hyper-Zagreb index conditions for hamiltonicity of graphs [PDF]

Czechoslovak Mathematical Journal, 2022
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Lu, Yong, Zhou, Qiannan
openaire   +3 more sources

Some of the next articles are maybe not open access.

Related searches:

CMMSE-on the first general Zagreb index

Journal of Mathematical Chemistry, 2017
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
José M Sigarreta, José M Rodríguez
exaly   +3 more sources

A note on the first reformulated Zagreb index

Applied Mathematics and Computation, 2016
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Edin Glogić, E I Milovanović, I Z Milovanović   +2 more
exaly   +2 more sources

Bounds on the modified second Zagreb index

Discrete Applied Mathematics
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Akbar Ali, Emina Milovanović, Igor Milovanović   +2 more
exaly   +2 more sources

FRACTAL VERSION OF ZAGREB ECCENTRICITY INDEX

Fractals, 2023
In this paper, we introduce the fractal version of Zagreb eccentricity index which is a singular integral of the eccentricity squared in terms of self-similar measure. Based on the geometric characteristics of the farthest point, we calculate the fractal version of Zagreb eccentricity index on the (3,1) flower fractal to be [Formula: see text] by ...
JIAJUN XU, YING LU, LIFENG XI
openaire   +2 more sources

On reduced second Zagreb index

Journal of Combinatorial Optimization, 2020
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Lkhagva Buyantogtokh, Batmend Horoldagva, Kinkar Chandra Das   +2 more
openaire   +1 more source

THE THIRD VERSION OF ZAGREB INDEX

Discrete Mathematics, Algorithms and Applications, 2013
Gutman et al. defined the Zagreb indices for the first time more than 40 years ago and up to now many versions of these topological indices were defined. In this paper we define a type of Zagreb indices based on degrees of neighbors of vertices in a given graph and then we compute them for several classes of composite graphs.
Modjtaba Ghorbani, Mohammad Ali Hosseinzadeh   +1 more
openaire   +3 more sources

On fourth leap Zagreb index of graphs

Discrete Mathematics, Algorithms and Applications, 2022
In this research work, we introduce a new version of leap Zagreb index called fourth leap Zagreb index. Mathematical properties and exact values for some standard classes of graphs for this new topological index are obtained. Also, the upper bounds are established.
Ammar Alsinai, Anwar Saleh, Hanan Ahmed, Lakshmi Narayan Mishra, Nandappa D. Soner   +4 more
openaire   +2 more sources

Relation Between Wiener Index and First Zagreb Index with First Zagreb Coindex

International Journal of Mathematics and Computer Science
In this paper, we establish extremal results and bounds of Wiener index with respect to the sum of the first Zagreb index and the first Zagreb coindex of a graph given its minimum and maximum degrees together with its diameter. We have shown that nontrivial complete graphs correspond to extremal graphs.
Mohammad, Nurijam Hanna M., Patangan, Rachel M., Militante, Mae P., Abdulwahid, Faricia M., Fabillar, Edwin B.   +4 more
openaire   +2 more sources

On the first outdegree Zagreb index of a digraph

Discrete Mathematics
The paper provides a thorough exploration of the first outdegree Zagreb index $(Zg^+(D))$ for a directed graph $(D)$. The authors successfully establish various upper and lower bounds for $(Zg^+(D))$ in terms of the number of vertices $(n)$ and arcs $(a)$, offering a comprehensive understanding of the index's behavior.
Hilal A. Ganie, Shariefuddin Pirzada
openaire   +2 more sources