Results 11 to 20 of about 2,550,298 (280)

MultiAspect Graphs: Algebraic Representation and Algorithms

open access: yesAlgorithms, 2016
We present the algebraic representation and basic algorithms for MultiAspect Graphs (MAGs). A MAG is a structure capable of representing multilayer and time-varying networks, as well as higher-order networks, while also having the property of being ...
Klaus Wehmuth   +2 more
doaj   +4 more sources

Spectral Clustering Community Detection Algorithm Based on Point-Wise Mutual Information Graph Kernel

open access: yesEntropy, 2023
To address the problem that traditional spectral clustering algorithms cannot obtain the complete structural information of networks, this paper proposes a spectral clustering community detection algorithm, PMIK-SC, based on the point-wise mutual ...
Yinan Chen, Wenbin Ye, Dong Li
doaj   +1 more source

Malware Analysis and Detection Using Machine Learning Algorithms

open access: yesSymmetry, 2022
One of the most significant issues facing internet users nowadays is malware. Polymorphic malware is a new type of malicious software that is more adaptable than previous generations of viruses.
M. Akhtar, Tao Feng
semanticscholar   +1 more source

Enhanced Detection Algorithms Based on Eigenvalues and Energy in Random Matrix Theory Paradigm

open access: yesIEEE Access, 2020
This paper considers the problem of spectrum sensing in multi-antenna cognitive radio networks. Energy detection (ED) method for spectrum sensing does not require any information of the source signal and channel, as well as it is suitable for detecting ...
Wenjing Zhao   +4 more
doaj   +1 more source

Jordan–Schur Algorithms for Computing the Matrix Exponential

open access: yesInternational Journal of Mathematics and Mathematical Sciences, 2023
In this paper, two new versions of the Schur algorithm for computing the matrix exponential of an n×n complex matrix A are presented. Instead of the Schur form, these algorithms use the Jordan–Schur form of A.
Petko H. Petkov
doaj   +1 more source

Matrix algorithms for solving (in)homogeneous bound state equations [PDF]

open access: yesComputer Physics Communications, 2010
In the functional approach to quantum chromodynamics, the properties of hadronic bound states are accessible via covariant integral equations, e.g. the Bethe–Salpeter equation for mesons.
M. Blank, A. Krassnigg
semanticscholar   +1 more source

Some Method for Constructing Cycles in a Graph

open access: yesСовременные информационные технологии и IT-образование, 2022
Multidimensional matrices are a powerful tool for solving various fundamental scientific problems and applied scientific and technical problems. As examples of the use of multidimensional matrices in various fields, one can cite the work of the creator ...
Victor Munerman, Daniel Munerman
doaj   +1 more source

Bayesian source separation with mixture of Gaussians prior for sources and Gaussian prior for mixture coefficients [PDF]

open access: yes, 2001
In this contribution, we present new algorithms to source separation for the case of noisy instantaneous linear mixture, within the Bayesian statistical framework.
Mohammad-Djafari, Ali, Snoussi, Hichem
core   +3 more sources

Ward’s Hierarchical Agglomerative Clustering Method: Which Algorithms Implement Ward’s Criterion? [PDF]

open access: yesJournal of Classification, 2011
The Ward error sum of squares hierarchical clustering method has been very widely used since its first description by Ward in a 1963 publication. It has also been generalized in various ways.
F. Murtagh, P. Legendre
semanticscholar   +1 more source

Numerical performance of the matrix pencil algorithm computing the greatest common divisor of polynomials and comparison with other matrix-based methodologies

open access: yesJournal of Computational and Applied Mathematics, 1996
The problem of finding the greatest common divisor (GCD) of a given polynomial set has interested mathematicians for a very long time and has widespread applications in several branches of control theory, matrix theory, statistics, network theory.
Mitrouli, M   +2 more
openaire   +3 more sources

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