A Grobman–Hartman theorem for differential equations with piecewise constant arguments of mixed type

M Pinto, G Robledo - Zeitschrift für Analysis und ihre Anwendungen, 2018 - ems.press
We obtain sufficient conditions for the existence of a uniformly and Hölder continuous
homeomorphism between the solutions of a linear differential system with piecewise …

Dichotomy spectrum and almost topological conjugacy on nonautonomus unbounded difference systems

A Castañeda González, G Robledo Veloso - 2018 - repositorio.uchile.cl
We construct a bijection between the solutions of a linear system of nonautonomous
difference equations which is uniformly asymptotically stable and its unbounded …

Topological equivalence of nonautonomous difference equations with a family of dichotomies on the half line

Á Castañeda, P González, G Robledo - arxiv preprint arxiv:2001.11864, 2020 - arxiv.org
A linear system of difference equations and a nonlinear perturbation are considered, we
obtain sufficient conditions to ensure the topological equivalence between them, namely, the …

Boundness and linearisation of a class of differential equations with piecewise constant argument

C Zou, Y **a, M Pinto, J Shi, Y Bai - Qualitative theory of dynamical …, 2019 - Springer
The differential equations with piecewise constant argument (DEPCAs, for short) is a class of
hybrid dynamical systems (combining continuous and discrete). In this paper, under the …

Linearization of a nonautonomous unbounded system with hyperbolic linear part: A spectral approach

M Wu, Y **a - Discrete and Continuous Dynamical Systems, 2024 - aimsciences.org
Palmer's linearization theorem states that a hyperbolic linear system is topologically
conjugated to its bounded perturbation. Recently, Huerta (DCDS 2020 [8]), Castañeda and …

New results on linearization of differential equations with piecewise constant argument

H Huang, YH **a - Qualitative theory of dynamical systems, 2020 - Springer
In this work, we give a version of Grobman–Hartman theorem for the nonautonomous
differential equations with piecewise constant argument of generalized type when the …

[PDF][PDF] Characterizations of Generalized Exponential Trichotomies for Linear Discrete-time Systems

IL Popa, T Ceausu, O Bagdasar… - An. St. Univ. Ovidius …, 2019 - sciendo.com
The concept of generalized exponential trichotomy for linear timevarying systems is
investigated in relationship with the classical notion of uniform exponential trichotomy. Some …

Remarks on Generalized Stability for Difference Equations in Banach Spaces

IL Popa, LE Biriş, T Ceauşu, T Li - Electronic Notes in Discrete Mathematics, 2018 - Elsevier
This note focuses on the problem of generalized exponential stability for linear time-varying
discrete-time systems in Banach spaces. Characterizations for this concept are presented …

[PDF][PDF] Topological linearization of depcags with unbounded nonlinear terms

C Zou, J Shi - J. Appl. Anal. Comput, 2017 - jaac-online.com
In this paper, we study the global topological linearization of a differential equation with
piecewise constant argument of generalized type (DEPCAG) when the nonlinear term is …

Generalized exponential trichotomy for difference equations

IL Popa, T Ceauşu - 2016 IEEE 11th International Symposium …, 2016 - ieeexplore.ieee.org
In this note we address two trichotomy concepts for discrete-time linear time-varying
systems. We extend the notion of exponential trichotomy in the sense of Elaydi-Janglajew to …