Results 191 to 200 of about 4,385,040 (261)

Identification of patient characteristics that may improve procedure selection for the treatment of carotid stenosis. [PDF]

open access: yesBr J Surg
Kuehnl A   +7 more
europepmc   +1 more source

On the Kirchhoff index of hypergraphs

Czechoslovak Mathematical Journal
Let H\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\cal{H}$$\end ...
S. Saha, S. K. Panda
semanticscholar   +3 more sources

The expected values for the Schultz index, Gutman index, multiplicative degree-Kirchhoff index and additive degree-Kirchhoff index of a random polyphenylene chain

Discrete Applied Mathematics, 2020
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Leilei Zhang   +3 more
openaire   +3 more sources

On resistance-distance and Kirchhoff index

Journal of Mathematical Chemistry, 2008
We provide some properties of the resistance-distance and the Kirchhoff index of a connected (molecular) graph, especially those related to its normalized Laplacian eigenvalues.
Zhou, Bo, Trinajstić, Nenad
openaire   +4 more sources

Resistance Distance and Kirchhoff Index in Windmill Graphs.

Current Organic Synthesis
INTRODUCTION The objective of this study is to compute the Kirchhoff index and resistance distance for two classes of windmill graphs, namely the French windmill graph and the Dutch windmill graph.
M. S. Sardar, Shou-Jun Xu
semanticscholar   +3 more sources

Kirchhoff index of a class of polygon networks

Chaos, Solitons and Fractals, 2023
Daohua Wang   +4 more
semanticscholar   +3 more sources

Kirchhoff index of simplicial networks

Linear Algebra and its Applications, 2021
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Kook, Woong, Lee, Kang-Ju
openaire   +2 more sources

A note on Kirchhoff index

Chemical Physics Letters, 2008
We report lower bounds for the Kirchhoff index of a connected ( molecular) graph in terms of its structural parameters such as the number of vertices ( atoms), the number of edges ( bonds), maximum vertex degree ( valency), connectivity and chromatic number.
Zhou Bo, Trinajstić, Nenad
openaire   +1 more source

On the Kirchhoff Index and the Number of Spanning Trees of Linear Phenylenes Chain

Polycyclic aromatic compounds (Print), 2021
Let denote a molecular graph of linear phenylene, containing n hexagons and squares. In this paper, according to the decomposition theorem of Laplacian polynomial, we obtain that the Laplacian spectrum of consists of the Laplacian spectrum of path and ...
Xianya Geng, Yusheng Lei
semanticscholar   +1 more source

Efficient Algorithms for Minimizing the Kirchhoff Index via Adding Edges

IEEE Transactions on Knowledge and Data Engineering
The Kirchhoff index, which is the sum of the resistance distance between every pair of nodes in a network, is a key metric for gauging network performance, where lower values signify enhanced performance. In this paper, we study the problem of minimizing
Xiaotian Zhou   +2 more
semanticscholar   +1 more source

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