Results 51 to 60 of about 2,153 (243)

Note on degree Kirchhoff index of graphs [PDF]

open access: yesTransactions on Combinatorics, 2013
Bounds for the degree Kirchhoff index of the line and para-line graphs are determined.The special case of regular graphs is analyzed in due detail.
Mardjan Hakimi-Nezhaad   +2 more
doaj  

Kirchhoff index, multiplicative degree-Kirchhoff index and spanning trees of the linear crossed polyomino chains

open access: yes, 2019
Let $G_n$ be a linear crossed polyomino chain with $n$ four-order complete graphs. In this paper, explicit formulas for the Kirchhoff index, the multiplicative degree-Kirchhoff index and the number of spanning trees of $G_n$ are determined, respectively. It is interesting to find that the Kirchhoff (resp. multiplicative degree-Kirchhoff) index of $G_n$
Pan, Yingui, Li, Jianping
openaire   +2 more sources

The Kirchhoff Index of Cluster Networks

open access: yesElectronic Notes in Discrete Mathematics, 2011
Abstract In electric circuit theory, it is of great interest to compute the effective resistance between any pair of vertices of a network, as well as the Kirchhoff Index. During the last decade these parametres have been applied in Organic Chemistry as natural structural indexes different from the usual ones in order to achieve an improvement in the
C. Araúz   +3 more
openaire   +1 more source

Giant Switchable Remanent Polarization and Photocurrent in Ferroelectric Thin Film Photomemristor for In Situ Training

open access: yesAdvanced Science, EarlyView.
The device exhibits excellent ferroelectric performance and significant photoelectric response. It can adapt to light stimuli of varying power and wavelengths while achieving a stable and tunable photovoltaic response state. Moreover, the device can utilize photoconductive states of different directions and magnitudes to achieve pattern classification ...
Zhen Zhao   +21 more
wiley   +1 more source

Several Topological Indices of Two Kinds of Tetrahedral Networks

open access: yesJournal of Mathematics, 2021
Tetrahedral network is considered as an effective tool to create the finite element network model of simulation, and many research studies have been investigated.
Jia-Bao Liu, Lu-Lu Fang
doaj   +1 more source

Einstein Model of a Graph to Characterize Protein Folded/Unfolded States

open access: yesMolecules, 2023
The folded structures of proteins can be accurately predicted by deep learning algorithms from their amino-acid sequences. By contrast, in spite of decades of research studies, the prediction of folding pathways and the unfolded and misfolded states of ...
Steve Tyler   +5 more
doaj   +1 more source

The expected values for the Gutman index, Schultz index, multiplicative degree-Kirchhoff index and additive degree-Kirchhoff index of a random cyclooctatetraene chain [PDF]

open access: yes, 2021
In this paper, we mainly solve the explicit analytical expressions for the expected values of the Gutman index, Schultz index, multiplicative degree-Kirchhoff index and additive degree-Kirchhoff index of a random cyclooctatetraene chain with $n$ octagons.
Xianya Geng, Jinfeng Qi, Minjie Zhang
openaire   +1 more source

A Strain Decoupling Packaging Strategy for High‐Fidelity Ultrathin Silicon Shape Sensors for Soft Medical Robotics

open access: yesAdvanced Science, EarlyView.
Reliable soft sensors are essential for precise control in soft medical robots such as endoscopes. We developed ultrathin silicon piezoresistive sensors and their oil‐lubricated slidable packaging, which enables high‐fidelity shape sensing of silicon gauges by mechanically isolating the sensing element within a dual‐layer film.
Hao Liu   +7 more
wiley   +1 more source

Generalized Characteristic Polynomials of Join Graphs and Their Applications

open access: yesDiscrete Dynamics in Nature and Society, 2017
The Kirchhoff index of G is the sum of resistance distances between all pairs of vertices of G in electrical networks. LEL(G) is the Laplacian-Energy-Like Invariant of G in chemistry.
Pengli Lu, Ke Gao, Yang Yang
doaj   +1 more source

Global attractors of the degenerate fractional Kirchhoff wave equation with structural damping or strong damping

open access: yesAdvances in Nonlinear Analysis, 2022
This article deals with the degenerate fractional Kirchhoff wave equation with structural damping or strong damping. The well-posedness and the existence of global attractor in the natural energy space by virtue of the Faedo-Galerkin method and energy ...
Yang Wenhua, Zhou Jun
doaj   +1 more source

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