Results 11 to 20 of about 16,194,429 (375)

A study of generalized hypergeometric Matrix functions via two-parameter Mittag–Leffler matrix function

open access: yesOpen Physics, 2022
The main aim of this article is to study a new generalizations of the Gauss hypergeometric matrix and confluent hypergeometric matrix functions by using two-parameter Mittag–Leffler matrix function.
Jain Shilpi   +4 more
doaj   +2 more sources

Structure and Function of Human Matrix Metalloproteinases

open access: yesCells, 2020
The extracellular matrix (ECM) is a macromolecules network, in which the most abundant molecule is collagen. This protein in triple helical conformation is highly resistant to proteinases degradation, the only enzymes capable of degrading the collagen ...
Helena Laronha, Jorge Caldeira
doaj   +2 more sources

On the hypergeometric matrix function

open access: yesJournal of Computational and Applied Mathematics, 1998
AbstractThis paper deals with the study of the hypergeometric function with matrix arguments F(A,B;C;z). Conditions for matrices A, B, C so that the series representation of the hypergeometric function be convergent for ¦z¦ = 1 and satisfies a matrix differential equation are given.
Juan Carlos Cortés, Lucas Jódar
openaire   +3 more sources

Regular approximate factorization of a class of matrix-function with an unstable set of partial indices. [PDF]

open access: yesProc Math Phys Eng Sci, 2018
From the classic work of Gohberg & Krein (1958 Uspekhi Mat. Nauk. XIII, 3–72. (Russian).), it is well known that the set of partial indices of a non-singular matrix function may change depending on the properties of the original matrix.
Mishuris G, Rogosin S.
europepmc   +3 more sources

On the matrix function $_pR_q(A, B; z)$ and its fractional calculus properties [PDF]

open access: yesCommunications in Mathematics, 2022
The main objective of the present paper is to introduce and study the function $_pR_q(A, B; z)$ with matrix parameters and investigate the convergence of this matrix function.
Ravi Dwivedi, Reshma Sanjhira
semanticscholar   +1 more source

Fast computation of matrix function-based centrality measures for layer-coupled multiplex networks. [PDF]

open access: yesPhysical Review E, 2021
Centrality measures identify and rank the most influential entities of complex networks. In this paper, we generalize matrix function-based centrality measures, which have been studied extensively for single-layer and temporal networks in recent years to
Kai Bergermann, M. Stoll
semanticscholar   +1 more source

Error bounds for Lanczos-based matrix function approximation [PDF]

open access: yesSIAM Journal on Matrix Analysis and Applications, 2021
We analyze the Lanczos method for matrix function approximation (Lanczos-FA), an iterative algorithm for computing $f(\mathbf{A}) \mathbf{b}$ when $\mathbf{A}$ is a Hermitian matrix and $\mathbf{b}$ is a given mathbftor.
Tyler Chen   +3 more
semanticscholar   +1 more source

Stability of the Lanczos Method for Matrix Function Approximation [PDF]

open access: yesACM-SIAM Symposium on Discrete Algorithms, 2017
The ubiquitous Lanczos method can approximate $f(A)x$ for any symmetric $n \times n$ matrix $A$, vector $x$, and function $f$. In exact arithmetic, the method's error after $k$ iterations is bounded by the error of the best degree-$k$ polynomial ...
Cameron Musco   +2 more
semanticscholar   +1 more source

U-duality from Matrix Membrane Partition Function [PDF]

open access: yes, 2001
We analyse supermembrane instantons (fully wrapped supermembranes) by computing the partition function of the three-dimensional supersymmetrical U(N) matrix model under periodic boundary conditions.
Affleck   +36 more
core   +3 more sources

Computing matrix functions [PDF]

open access: yesActa Numerica, 2010
The need to evaluate a functionf(A)∈ ℂn×nof a matrixA∈ ℂn×narises in a wide and growing number of applications, ranging from the numerical solution of differential equations to measures of the complexity of networks. We give a survey of numerical methods for evaluating matrix functions, along with a brief treatment of the underlying theory and a ...
Higham, Nicholas J., Al-Mohy, Awad H.
openaire   +3 more sources

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