Results 1 to 10 of about 72 (57)

Corrigendum to “Spectra universally realizable by doubly stochastic matrices”

open access: yesSpecial Matrices, 2023
We correct an error in the statement and the proof of Theorem 2.1 and Corollary 2.1 in our previous study [Spec. Matrices 6 (2018), 301–309], Section 2: On nonnegative matrices similar to positive matrices.
Collao Macarena   +2 more
doaj   +1 more source

On infinite-dimensional dissipative quadratic stochastic operators

open access: yesAdvances in Differential Equations, 2013
The purpose of the paper is to extend the notion of dissipativity of maps on infinite-dimensional simplex. We study the fixed points of dissipative quadratic stochastic operators on infinite-dimensional simplex.
F. Shahidi
semanticscholar   +2 more sources

A short note on extreme points of certain polytopes

open access: yesSpecial Matrices, 2020
We give a short proof of Mirsky’s result regarding the extreme points of the convex polytope of doubly substochastic matrices via Birkhoff’s Theorem and the doubly stochastic completion of doubly sub-stochastic matrices.
Cao Lei, Hall Ariana, Koyuncu Selcuk
doaj   +1 more source

Performance and stochastic stability of the adaptive fading extended Kalman filter with the matrix forgetting factor

open access: yesOpen Mathematics, 2016
In this paper, the stability of the adaptive fading extended Kalman filter with the matrix forgetting factor when applied to the state estimation problem with noise terms in the non–linear discrete–time stochastic systems has been analysed.
Biçer Cenker   +2 more
doaj   +1 more source

Towards Prediction of HCV Therapy Efficiency

open access: yesComputational and Mathematical Methods in Medicine, Volume 11, Issue 2, Page 185-199, 2010., 2010
We investigate a correlation between genetic diversity of hepatitis C virus population and the level of viral RNA accumulation in patient blood. Genetic diversity is defined as the mean Hamming distance between all pairs of virus RNA sequences representing the population. We have found that a low Hamming distance (i.e. low genetic diversity) correlates
Szymon Wasik   +6 more
wiley   +1 more source

Products of stochastic matrices and applications

open access: yesInternational Journal of Mathematics and Mathematical Sciences, Volume 12, Issue 2, Page 209-233, 1989., 1989
This paper deals with aspects of the limit behaviour of products of nonidentical finite or countable stochastic matrices (Pn). Applications are given to nonhomogeneous Markov models as positive chains, some classes of finite chains considered by Doeblin and weakly ergodic chains.
Harry Cohn
wiley   +1 more source

A Geršgorin-type eigenvalue localization set with n parameters for stochastic matrices

open access: yesOpen Mathematics, 2018
A set in the complex plane which involves n parameters in [0, 1] is given to localize all eigenvalues different from 1 for stochastic matrices. As an application of this set, an upper bound for the moduli of the subdominant eigenvalues of a stochastic ...
Wang Xiaoxiao, Li Chaoqian, Li Yaotang
doaj   +1 more source

Sufficient conditions for complete positivity

open access: yes, 2011
Marcus and Minc gave sufficient conditions on the diagonal entries of a doubly nonnegative doubly stochastic n×n matrix A , that there is a doubly nonnegative doubly stochastic matrix C with A = C2 . In this event, A is completely positive.
Robert Reams
semanticscholar   +1 more source

Dynamics of doubly stochastic quadratic operators on a finite-dimensional simplex

open access: yesOpen Mathematics, 2016
The present paper focuses on the dynamics of doubly stochastic quadratic operators (d.s.q.o) on a finite-dimensional simplex. We prove that if a d.s.q.o. has no periodic points then the trajectory of any initial point inside the simplex is convergent. We
Abdulghafor Rawad   +3 more
doaj   +1 more source

The permanent at a minimum on certain classes of doubly stochastic matrices

open access: yes, 1974
Both David London and Mark B. Hedrick have independently generalized a result of M. Marcus and M. Newman concerning the behavior of the permanent at a minimum on the set of doubly stochastic matrices.
M. Hedrick
semanticscholar   +1 more source

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