Results 51 to 60 of about 1,963,727 (308)

Some Spaces of Double Sequences Obtained through Invariant Mean and Related Concepts

open access: yesAbstract and Applied Analysis, 2013
We introduce some double sequences spaces involving the notions of invariant mean (or -mean) and -convergence for double sequences while the idea of -convergence for double sequences was introduced by Çakan et al.
S. A. Mohiuddine, Abdullah Alotaibi
doaj   +1 more source

Ultimate Dynamics of the Two-Phenotype Cancer Model: Attracting Sets and Global Cancer Eradication Conditions

open access: yesMathematics, 2023
In this paper we consider the ultimate dynamics of one 4D cancer model which was created for studying the immune response to the two-phenotype tumors. Our approach is based on the localization method of compact invariant sets.
Anatolij N. Kanatnikov   +1 more
doaj   +1 more source

Lyapunov Stability Analysis for Invariant States of Quantum Systems

open access: yes, 2018
In this article, we propose a Lyapunov stability approach to analyze the convergence of the density operator of a quantum system. In contrast to many previously studied convergence analysis methods for invariant density operators which use weak ...
Emzir, Muhammad F.   +2 more
core   +1 more source

On lacunary I-invariant arithmetic convergence

open access: yesMalaya Journal of Matematik, 2021
In this study, we investigate the notion of lacunary $\mathcal{I}_{\sigma }$ arithmetic convergence for real sequences and examine relations between this new type convergence notion and the notions of\ lacunary invariant arithmetic summability, lacunary strongly $q$-invariant arithmetic summability and lacunary $\sigma $-statistical arithmetic ...
openaire   +2 more sources

Precise Deviations for Disk Counting Statistics of Invariant Determinantal Processes [PDF]

open access: yes, 2020
We consider two-dimensional determinantal processes which are rotation-invariant and study the fluctuations of the number of points in disks. Based on the theory of mod-phi convergence, we obtain Berry-Esseen as well as precise moderate to large ...
Marcel Fenzl, Gaultier Lambert
semanticscholar   +1 more source

Learning Invariant Object and Spatial View Representations in the Brain Using Slow Unsupervised Learning

open access: yesFrontiers in Computational Neuroscience, 2021
First, neurophysiological evidence for the learning of invariant representations in the inferior temporal visual cortex is described. This includes object and face representations with invariance for position, size, lighting, view and morphological ...
Edmund T. Rolls, Edmund T. Rolls
doaj   +1 more source

A note on the convergence of parametrised non-resonant invariant manifolds

open access: yes, 2010
Truncated Taylor series representations of invariant manifolds are abundant in numerical computations. We present an aposteriori method to compute the convergence radii and error estimates of analytic parametrisations of non-resonant local invariant ...
A. Neumaier   +22 more
core   +1 more source

Convergence

open access: yesGirty, 2020
A BSTRACT . Adaptive Local Iterative Filtering (ALIF) is a currently proposed novel time-frequency analysis tool. It has been empirically shown that ALIF is able to separate components and overcome the mode-mixing problem. However, so far its convergence
Antonio Cicone, Wu Hau-Tieng
semanticscholar   +1 more source

Global dynamics of an exponential system by a discrete-time Lyapunov function

open access: yesJournal of Taibah University for Science, 2020
In this paper, we explore the boundedness and persistence of positive solution, existence as well as uniqueness of positive equilibrium point, existence of invariant rectangle, local and global dynamics, and rate of convergence of three-directional ...
A. Q. Khan, H. M. Arshad
doaj   +1 more source

New Iterative Learning Control Algorithm Using Learning Gain Based on σ Inversion for Nonsquare Multi-Input Multi-Output Systems

open access: yesModelling and Simulation in Engineering, 2018
Model inversion Iterative Learning Control (ILC) for a class of nonsquare linear time variant/invariant multi-input multi-output (MIMO) systems is considered in this paper. A new ILC algorithm is developed based on σ-right inversion of nonsquare learning
Leila Noueili   +2 more
doaj   +1 more source

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