NON-AUTONOMOUS DYNAMICAL SYSTEMS.
AN Carvalho, JA Langa… - Discrete & Continuous …, 2015 - search.ebscohost.com
This review paper treats the dynamics of non-autonomous dynamical systems. To study the
forwards asymptotic behaviour of a non-autonomous differential equation we need to …
forwards asymptotic behaviour of a non-autonomous differential equation we need to …
Structural stability of invasion graphs for Lotka–Volterra systems
In this paper, we study in detail the structure of the global attractor for the Lotka–Volterra
system with a Volterra–Lyapunov stable structural matrix. We consider the invasion graph as …
system with a Volterra–Lyapunov stable structural matrix. We consider the invasion graph as …
[HTML][HTML] Structure of attractors for skew product semiflows
In this work we study the continuity and structural stability of the uniform attractor associated
with non-autonomous perturbations of differential equations. By a careful study of the …
with non-autonomous perturbations of differential equations. By a careful study of the …
[HTML][HTML] Lipschitz perturbations of Morse-Smale semigroups
MC Bortolan, CAEN Cardoso, AN Carvalho… - Journal of Differential …, 2020 - Elsevier
In this paper we deal with Lipschitz continuous perturbations of gradient Morse-Smale
semigroups (all critical elements are equilibria). We study the permanence of connections …
semigroups (all critical elements are equilibria). We study the permanence of connections …
Structural stability of invasion graphs for generalized Lotka--Volterra systems
In this paper we study in detail the structure of the global attractor for a generalized Lotka-
Volterra system with Volterra--Lyapunov stable structural matrix. We provide the full …
Volterra system with Volterra--Lyapunov stable structural matrix. We provide the full …
A non-autonomous bifurcation problem for a non-local scalar one-dimensional parabolic equation
In this paper we study the asymptotic behavior of solutions for a non-local non-autonomous
scalar quasilinear parabolic problem in one space dimension. Our aim is to give a fairly …
scalar quasilinear parabolic problem in one space dimension. Our aim is to give a fairly …
[HTML][HTML] Rate of convergence of attractors for singularly perturbed semilinear problems
AN Carvalho, L Pires - Journal of Mathematical Analysis and Applications, 2017 - Elsevier
We exhibit a class of singularly perturbed parabolic problems which the asymptotic behavior
can be described by a system of ordinary differential equation. We estimate the convergence …
can be described by a system of ordinary differential equation. We estimate the convergence …
Parabolic equations with localized large diffusion: rate of convergence of attractors
AN Carvalho, L Pires - 2019 - projecteuclid.org
In this paper we study the asymptotic nonlinear dynamics of scalar semilinear parabolic
problems of reaction-diffusion type when the diffusion coefficient becomes large in a …
problems of reaction-diffusion type when the diffusion coefficient becomes large in a …
STRUCTURE OF NON-AUTONOMOUS ATTRACTORS FOR A CLASS OF DIFFUSIVELY COUPLED ODE.
AN Carvalho, L Rocha, JA Langa… - Discrete & Continuous …, 2023 - search.ebscohost.com
In this work we will study the structure of the skew-product attractor for a planar diffusively
coupled ordinary differential equation, given by x= k (yx)+ x-β (t) x³ and y= k (xy)+ y-β (t) y³ …
coupled ordinary differential equation, given by x= k (yx)+ x-β (t) x³ and y= k (xy)+ y-β (t) y³ …
Autonomous and non-autonomous unbounded attractors under perturbations
AN Carvalho, JFS Pimentel - Proceedings of the Royal Society of …, 2019 - cambridge.org
Pullback attractors with forwards unbounded behaviour are to be found in the literature, but
not much is known about pullback attractors with each and every section being unbounded …
not much is known about pullback attractors with each and every section being unbounded …