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Dynamic Correlation Adjacency-Matrix-Based Graph Neural Networks for Traffic Flow Prediction [PDF]

open access: yesSensors, 2023
Modeling complex spatial and temporal dependencies in multivariate time series data is crucial for traffic forecasting. Graph convolutional networks have proved to be effective in predicting multivariate time series. Although a predefined graph structure
Junhua Gu, Taotao Cai, Xiangyu Song
exaly   +4 more sources

The gamma-Signless Laplacian Adjacency Matrix of Mixed Graphs [PDF]

open access: yesTheory and Applications of Graphs, 2023
The α-Hermitian adjacency matrix Hα of a mixed graph X has been recently introduced. It is a generalization of the adjacency matrix of unoriented graphs. In this paper, we consider a special case of the complex number α.
Omar Alomari   +2 more
doaj   +2 more sources

On the Adjacency Matrix of RyR2 Cluster Structures. [PDF]

open access: yesPLoS Comput Biol, 2015
In the heart, electrical stimulation of cardiac myocytes increases the open probability of sarcolemmal voltage-sensitive Ca2+ channels and flux of Ca2+ into the cells. This increases Ca2+ binding to ligand-gated channels known as ryanodine receptors (RyR2).
Walker MA   +5 more
europepmc   +8 more sources

Adjacency Matrix of a Semigraph

open access: yesElectronic Notes in Discrete Mathematics, 2017
Abstract Semigraph was defined by Sampathkumar as a generalization of a graph. In this paper the adjacency matrix which represents semigraph uniquely and a characterization of such a matrix is obtained. An algorithm to construct the semigraph from a given square matrix, if semigraphical is given.
Y. S. Gaidhani   +2 more
exaly   +3 more sources

Clustering Based on Eigenvectors of the Adjacency Matrix

open access: yesInternational Journal of Applied Mathematics and Computer Science, 2018
The paper presents a novel spectral algorithm EVSA (eigenvector structure analysis), which uses eigenvalues and eigenvectors of the adjacency matrix in order to discover clusters.
Lucińska Małgorzata   +1 more
doaj   +3 more sources

General Zagreb adjacency matrix [PDF]

open access: yesContributions to Mathematics, 2022
Zhen Lin
doaj   +2 more sources

Relationship between adjacency and distance matrix of graph of diameter two

open access: yesIndonesian Journal of Combinatorics, 2021
The relationship among every pair of vertices in a graph can be represented as a matrix, such as in adjacency matrix and distance matrix. Both adjacency and distance matrices have the same property.
Siti L. Chasanah   +3 more
doaj   +2 more sources

Rank-GCN for Robust Action Recognition

open access: yesIEEE Access, 2022
We present a robust skeleton-based action recognition method with graph convolutional network (GCN) that uses the new adjacency matrix, called Rank-GCN. In Rank-GCN, the biggest change from previous approaches is how the adjacency matrix is generated to ...
Haetsal Lee   +3 more
doaj   +1 more source

Anti-Adjacency Matrices of Certain Graphs Derived from Some Graph Operations

open access: yesRatio Mathematica, 2023
If we go through the literature, one can find many matrices that are derived for a given simple graph. The one among them is the anti-adjacency matrix which is given as follows; The anti-adjacency matrix of a simple undirected graph $G$ with vertex set   
Manju V N, Athul T B, Suresh Singh G
doaj   +1 more source

Some New Bounds for α-Adjacency Energy of Graphs

open access: yesMathematics, 2023
Let G be a graph with the adjacency matrix A(G), and let D(G) be the diagonal matrix of the degrees of G. Nikiforov first defined the matrix Aα(G) as Aα(G)=αD(G)+(1−α)A(G), 0≤α≤1, which shed new light on A(G) and Q(G)=D(G)+A(G), and yielded some ...
Haixia Zhang, Zhuolin Zhang
doaj   +1 more source

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