Author profile: Langa Rosado, José Antonio
Institutional data
Name | Langa Rosado, José Antonio |
Department | Ecuaciones Diferenciales y Análisis Numérico |
Knowledge area | Análisis Matemático |
Professional category | Catedrático de Universidad |
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No. publications
87
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14372
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23901
Publications |
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Article
Forwards Attractor Structures in a Planar Cooperative Non-autonomous Lotka–Volterra System
(Springer, 2024)
The global attractor of a dissipative dynamical system provides the necessary information to understand the asymptotic ... |
PhD Thesis
Characterization of attractors for non-autonomous dynamical systems: Applications to non-dissipative case and ecological models
(2024)
Esta tesis está dedicada a la exploración de atractores para sistema dinámicos. Nuestro análisis sigue dos enfoques ... |
Final Degree Project |
Final Degree Project
Ecología matemática: Dinámica estructural en el modelo Lotka-Volterra
(2022)
This work studies the dynamic of mutualistic ecosystems via Lotka-Volterra model. After exploring the existence and ... |
Master's Final Project
Estabilidad estructural y efectos indirectos en Ecología Matemática
(2022)
In population dynamics, structural stability measures the ability of an ecosystem to maintain biodiversity under perturbations ... |
PhD Thesis
Robustness of nonuniform and random exponential dichotomies with applications to differential equations
(2022)
In this thesis, we study hyperbolicity for deterministic and random nonautonomous dynamical systems and their applications ... |
Article
Model transform and local parameters. Application to instantaneous attractors
(Elsevier, 2022)
The model transform fits exactly the parameters of a suitable model to empirical or simulated data in each point in time ... |
Article
What lies underneath: Precise classification of brain states using time-dependent topological structure of dynamics
(PLOS, 2022)
The self-organising global dynamics underlying brain states emerge from complex recursive nonlinear interactions between ... |
Article
Global structural stability and the role of cooperation in mutualistic systems
(Public Library of Science (Plos), 2022)
Dynamical systems on graphs allow to describe multiple phenomena from different areas of Science. In particular, many ... |
Article
Continuity and topological structural stability for nonautonomous random attractors
(World scientific, 2021)
In this work, we study the continuity and topological structural stability of attractors for nonautonomous random differential ... |
Article
Capturing the non-stationarity of whole-brain dynamics underlying human brain states
(Elsevier, 2021)
Brain dynamics depicts an extremely complex energy landscape that changes over time, and its characterisation is a central ... |
PhD Thesis
Finite-dimensionality of attractors for dynamicl systems wigh applications: deterministic and random settings
(2021)
In this work we obtain estimates on the fractal dimension of attractors in three different settings: global attractors ... |
Article
Finite-Dimensionality of Tempered Random Uniform Attractors
(Springer New York, 2021)
Finite-dimensional attractors play an important role in finite-dimensional reduction of PDEs in mathematical modelization ... |
Article
The effect of a small bounded noise on the hyperbolicity for autonomous semilinear differential equations
(ScienceDirect, 2021)
In this work, we study permanence of hyperbolicity for autonomous differential equations under nonautonomous random/stochastic ... |
PhD Thesis
Dynamical systems applied to consciousness and brain rhythms in a neural network
(2020)
This thesis applies the great advances of modern dynamical systems theory (DST) to consciousness. Consciousness, or ... |
Final Degree Project
Introducción a la Modelización Matemática Ecológica
(2020)
This work deals with the study of the global stability of the system Lokta-Volterra. We focus on the analysis of the global ... |
Article
Extremal bounded complete trajectories for nonautonomous reaction-diffusion equations with discontinuous forcing term
(Springer, 2020)
In this paper we establish a strong comparison principle for a nonautonomous differential inclusion with a forcing term ... |
Master's Final Project
Dinámica de redes mutualistas en redes complejas: una aproximación desde las EDOS
(2019)
The aim of this project is to study generalized Lotka-Volterra systems applied in ecology. This work is divided in five ... |
Article
Informational structures and informational fields as a prototype for the description of postulates of the integrated information theory
(MDPI, 2019)
Informational Structures (IS) and Informational Fields (IF) have been recently introduced to deal with a continuous dynamical ... |
Article
Global and cocycle attractors for non-autonomous reaction-diffusion equations. The case of null upper Lyapunov exponent
(Elsevier, 2018)
In this paper we obtain a detailed description of the global and cocycle attractors for the skew-product semiflows induced ... |
Article
Informational structures: A dynamical system approach for integrated information
(Public Library of Science, 2018)
Integrated Information Theory (IIT) has become nowadays the most sensible general theory of consciousness. In addition to ... |
Final Degree Project
Análisis cualitativo de sistemas de ecuaciones diferenciales: aplicaciones a modelos de Lotka-Volterra n-dimensionales
(2018)
This work shows The Lotka-Volterra systems like a continuation of the diferential equations studies we have seen in the ... |
Final Degree Project
Sistemas dinámicos. Aplicaciones a las redes complejas
(2018)
This work is framed within the field of Dynamical System and their applicaitons to complex networks. In this text we ... |
PhD Thesis
Dinámica de redes mutualistas en ecosistemas complejos
(2017)
El objetivo principal de este trabajo es el análisis matemático de sistemas de ecuaciones diferenciales que modelan redes ... |
PhD Thesis
On cocycle and uniform attractors for multi-valued and random non-autonomous dynamical systems
(2017)
En esta tesis estudiamos el comportamiento a largo plazo de sistemas dinámicos multivaluados y aleatorios en términos de ... |
Final Degree Project
Ecuaciones diferenciales con retardo: Aplicación a un modelo de quimiostato
(2017)
In this work we will study the theory of dynamical systems with application to a chemostat. Starting with the autonomous ... |
Final Degree Project
Sistemas dinámicos no autónomos
(2017)
This work shows the attractors theory like a continuation of the differential equations studies we have seen in the subjects ... |
Article
Pullback, forward and chaotic dynamics in 1-D non-autonomous linear-dissipative equations
(IOP Publishing, 2017)
The global attractor of a skew product semiflow for a non-autonomous differential equation describes the asymptotic behaviour ... |
Article
Equi-attraction and continuity of attractors for skew-product semiflows
(American Institute of Mathematical Sciences, 2016)
In this paper we prove the equivalence between equi-attraction and continuity of attractors for skew-product semi-flows, ... |
Article
Structure of the pullback attractor for a non-autonomous scalar differential inclusion
(American Institute of Mathematical Sciences, 2016)
The structure of attractors for differential equations is one of the main topics in the qualitative theory of dynamical ... |
Article
Regularity and structure of pullback attractors for reaction-diffusion type systems without uniqueness
(Elsevier, 2016)
In this paper, we study the pullback attractor for a general reaction-diffusion system for which the uniqueness of solutions ... |
Final Degree Project
Ecuación de reacción-difusión. Existencia, unicidad y comportamiento asintótico
(2016)
In this work, the theory of global attractors for parabolics PDEs is studied. We focus on the reaction-diffusion equations ... |
Final Degree Project
Dinámica global de sistemas mutualistas
(2016)
This work is framed within the field of Dynamical Systems and we aim to continue the study of the stability of dynamical ... |
Article
Estabilidad estructural topologica sobre espacios proyectados
(Universidad Nacional de Trujillo, 2016)
En este trabajo estudiamos la estabilidad estructural topológica para una familia de semigrupos no lineales Th(·) sobre espacios de Banach Xh dependiendo de un parámetro h. |
Chapter of Book
Attracting complex networks
(Springer, 2016)
Real phenomena from different areas of Life Sciences can be described by complex networks, whose structure is usually ... |
Article
Morse decomposition of global attractors with infinite components
(2015)
In this paper we describe some dynamical properties of a Morse decomposition with a countable number of sets. In particular, ... |
Article
Biodiversity and vulnerability in a 3D mutualistic system
(American Institute of Mathematical Sciences, 2014)
In this paper we study a three dimensional mutualistic model of two plants in competition and a pollinator with cooperative ... |
PhD Thesis
Caracterización de los atractores en sistemas dinámicos no autónomos
(2014)
El estudio de los sistemas dinámicos es de gran importancia, ya que están relacionados con fenómenos del mundo real. Los ... |
Article
Random attractors for stochastic 2D-Navier-Stokes equations in some unbounded domains
(2013)
We show that the stochastic flow generated by the 2-dimensional Stochastic Navier-Stokes equations with rough noise on a ... |
Article
Non-autonomous morse-decomposition and Lyapunov functions for gradient-like processes
(2013)
We define (time dependent) Morse-decompositions for non-autonomous evolution processes (non-autonomous dynamical systems) ... |
Article
Skew Product Semiflows and Morse Decomposition
(2013)
This paper is devoted to the investigation of the dynamics of non-autonomous differential equations. The description of ... |
Article
Gradient Infinite-Dimensional Random Dynamical Systems
(2012)
In this paper we introduce the concept of a gradient random dynamical system as a random semiflow possessing a continuous ... |
Article
An Estimate On the Fractal Dimension of Attractors of Gradient-Like Dynamical Systems
(2012)
This paper is dedicated to estimate the fractal dimension of exponential global attractors of some generalized gradient-like ... |
Article
Continuity of Lyapunov Functions and of Energy Level for a Generalized Gradient Semigroup
(2012)
The global attractor of a gradient-like semigroup has a Morse decomposition. Associated to this Morse decomposition there ... |
Article
A Non-Autonomous Strongly Damped Wave Equation: Existence and Continuity of the Pullback Attractor
(2011)
In this paper we consider the strongly damped wave equation with time dependent terms utt − u − γ(t) ut + β"(t)ut = f(u), ... |
Article
Stability of Gradient Semigroups Under Perturbations
(2011)
In this paper we prove that gradient-like semigroups (in the sense of Carvalho and Langa (2009 J. Diff. Eqns 246 2646–68)) ... |
PhD Thesis
Atractores pullback existencia y estructura para una ecuación de ondas con amortiguamiento no autónomo
(2011)
Este trabajo está dividido en dos partes. Una primera en la que se trata la parte teórica de los sistemas dinámicos autónomos ... |
Article
Finite-dimensional global attractors in Banach spaces
(Elsevier, 2010)
We provide bounds on the upper box-counting dimension of negatively invariant subsets of Banach spaces, a problem that is ... |
Article
On the long time behavior of non-autonomous Lotka–Volterra models with diffusion via the sub-supertrajectory method
(Elsevier, 2010)
In this paper we study in detail the geometrical structure of global pullback and forwards attractors associated to ... |
Article
The sub-supertrajectory method. Application to the nonautonomous competition Lotka-Volterra model
(Sociedad Española de Matemática Aplicada, 2010)
In this paper we study in detail the pullback and forwards attractions to non-autonomous competition Lotka-Volterra system. ... |
Article
Existence of Pullback Attractors for Pullback Asymptotically Compact Processes
(2010)
This paper is concerned with the existence of pullback attractors for evolution processes. Our aim is to provide results ... |
Article
A gradient-like non autonomous evolution process
(2009)
In this paper we consider a dissipative damped wave equation with non-autonomous damping of the form utt + ¯(t)ut = ¢u + ... |
Article
Permanence and asymptotically stable complete trajectories for nonautonomous Lotka-Volterra models with diffusion
(Society for Industrial and Applied Mathematics, 2009)
Lotka-Volterra systems are the canonical ecological models used to analyze population dynamics of competition, symbiosis ... |
Article
Stabilisation of differential inclusions and PDEs without uniqueness by noise
(2008)
We prove that the asymptotic behaviour of partial differential inclusions and partial differential equations without ... |
Article
Characterization of non-autonomous attractors of a perturbed infinite-dimensional gradient system
(Elsevier, 2007)
In this paper we determine the exact structure of the pullback attractors in non-autonomous problems that are perturbations ... |
Article
The stability of attractors for non-autonomous perturbations of gradient-like systems
(Elsevier, 2007)
We study the stability of attractors under non-autonomous perturbations that are uniformly small in time. While in general ... |
Article
Flattening, squeezing and the existence of random attractors
(Royal Society, 2007)
The study of qualitative properties of random and stochastic differential equations is now one of the most active fields ... |
Article
Existence and nonexistence of unbounded forward attractor for a class of non-autonomous reaction diffusion equations
(American Institute of Mathematical Sciences, 2007)
The goal of this work is to study the forward dynamics of positive solutions for the nonautonomous logistic equation ut − ... |
Article
Bifurcations in non-autonomous scalar equations
(Elsevier, 2006)
In a previous paper we introduced various definitions of stability and instability for non-autonomous differential equations, ... |
Article
The effect of noise on the chafee-infante equation: a nonlinear case study
(2006)
We investigate the effect of perturbing the Chafee-Infante scalar reaction diffusion equation, ut−Δu = βu−u3, by noise. ... |
Article
Comparison of the long-time behaviour of linear Ito and Stratonovich partial differential equations
(2006)
In this paper, we point out the different long-time behaviour of stochastic partial differential equations when one considers ... |
Article
Bifurcation from zero of a complete trajectory for non-autonomous logistic PDEs
(World Scientific Publishing, 2005)
In this paper we extend the well-known bifurcation theory for autonomous logistic equations to the non-autonomous equation ut ... |
Article
Asymptotic Behaviour of Monotone Multi-Valued Dynamical Systems
(2005)
We introduce the concept of a monotone multi-valued semi- ow as an order-preserving map. This de nition is motivated by ... |
Article
Existence of invariant manifolds for coupled parabolic and hyperbolic stochastic partial differential equations
(2005)
An abstract system of coupled nonlinear parabolic-hyperbolic partial differential equations subjected to additive white ... |
Article
Addendum To "Global Attractors for Multivalued Random Dynamical Systems'' [Nonlinear Analysis 48(2002) 805-829]
(2005)
The aim of this note is to clarify a misleading statement which appeared in our fi rst paper dealing with the concept of global random attractor for multivalued random dynamical systems, as well as in the subsequent work |
Article
Semimartingale attractors for Allen-Cahn SPDEs driven by space-time white noise I: existence and finite dimensional asymptotic behavior
(World Scientific, 2004)
We delve deeper into the study of semimartingale attractors that we recently introduced in Allouba and Langa [4] H. Allouba ... |
Article
Existence and regularity of the pressure for the stochastic Navier-Stokes equations
(Springer, 2003)
We prove, on one hand, that for a convenient body force with values in the distribution space (H−1(D))d, where D is the ... |
Article
Forwards and pullback behaviour of a non-autonomous Lotka-Volterra system
(IOPscience, 2003)
Lotka-Volterra systems have been extensively studied by many authors, both in the autonomous and non-autonomous cases. In ... |
Article
Pullback permanence in a non-autonomous competitive Lotka-Volterra model
(Elsevier, 2003)
The goal of this work is to study in some detail the asymptotic behaviour of a non-autonomous Lotka-Volterra model, both ... |
Article
The dimension of attractors of nonautonomous partial differential equations
(2003)
The concept of nonautonomous (or cocycle) attractor has become a proper tool for the study of the asymptotic behaviour of ... |
Article
On the relationship between solutions of stochastic and random differential inclusions
(2003)
Some results on the relationship of the solutions of a stochastic di erential inclusion and the corresponding random di ... |
Article
Pullback attractors of nonautonomous and stochastic multivalued dynamical systems
(2003)
In this paper we study the existence of pullback global attractors for multivalued processes generated by differential ... |
Article
Stability, instability, and bifurcation phenomena in non-autonomous differential equations
(IOPscience, 2002)
There is a vast body of literature devoted to the study of bifurcation phenomena in autonomous systems of differential ... |
Article
Sistemas dinámicos estocásticos no autónomos y sistemas multivaluados
(Sociedad Española de Matemática Aplicada, 2002)
Uno de los conceptos más importantes para la descripción del comportamiento asintótico de ecuaciones en derivadas parciales ... |
Article
The Exponential Behaviour and Stabilizability of Stochastic 2D-Navier-Stokes Equations
(2002)
Some results on the pathwise exponential stability of the weak solutions to a stochastic 2D-Navier-Stokes equation are ... |
Article
Global Attractors for Multivalued Random Dynamical Systems
(2002)
We introduce the concept of multivalued random dynamical system (MRDS) as a measurable multivalued flow satisfying the ... |
Article |
Presentation
Approximation of attractors for multivalued random dynamical systems
(Masaryk University, 2001)
The concept of global attractor for stochastic partial differential inclusions has been recently introduced as a joint ... |
Article
Global attractors for multivalued random dynamical systems generated by random differential inclusions with multiplicative noise
(2001)
In this paper we consider a stochastic differential inclusion with multiplicative noise. It is shown that it generates a multivalued random dynamical system for which there also exists a global random attractor. |
Article
Attractors for differential equations with variable delays
(2001)
Using the relatively new concept of a pullback attractor, we present some results on the existence of attractors for differential equations with variable delay. We give a variety of examples to which our result applies. |
Article
A Stochastic Pitchfork Bifurcation in a Reaction-Diffusion Equation
(2001)
We study in some detail the structure of the random attractor for the Chafee{Infante reaction{di¬usion equation perturbed ... |
Article
Global attractors for multivalued random semiflows generated by random differential inclusions with additive noise
(2001)
We introduce the concept of multivalued random dynamical system (MRDS) as a measurable multivalued flow satisfying the ... |
Article
Stability and random attractors for a reaction-diffusion equation with multiplicative noise
(2000)
We study the asymptotic behaviour of a reaction-diffusion equation, and prove that the addition of multiplicative white ... |
Article
Determining asymptotic behavior from the dynamics on attracting sets
(Springer, 1999)
Two tracking properties for trajectories on attracting sets are studied. We prove that trajectories on the full phase space ... |
Article
Tracking Properties of Trajectories On Random Attracting Sets
(1999)
The theory of random attracting sets highlights interesting properties of the asymptotic behaviour of some stochastic ... |
Article
Upper Semicontinuity of Attractors for Small Random Perturbations of Dynamical Systems
(1998)
The relationship between random attractors and global attractors for dynamical systems is studied. If a partial differential ... |
PhD Thesis
Atractores y comportamiento finito-dimensional en sistemas dinámicos aleatorios
(1998)
"En el Capítulo 1, presentamos una síntesis de los resultados básicos sobre atractores globales que pueden encontrarse en ... |