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Listar Artículos (Ecuaciones Diferenciales y Análisis Numérico) por autor "Delgado Delgado, Manuel"
Mostrando ítems 1-20 de 34
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Artículo
A Lotka-Volterra symbiotic model with cross-diffusion
Delgado Delgado, Manuel; Da Silva Montenegro, Marcelo; Suárez Fernández, Antonio (Elsevier, 2009-03-01)The main goal of this paper is to study the existence and non-existence of coexistence states for a Lotka-Volterra symbiotic ...
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A non-local perturbation of the logistic equation in IR N
Delgado Delgado, Manuel; Molina Becerra, Mónica; Rodrigues dos Santos Júnior, Joao; Suárez Fernández, Antonio (Elsevier, 2019-10)A logistic equation in the whole space is considered. In this problem, a non-local perturbation is included. We establish ...
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Artículo
A nonlinear age-dependent model with spatial diffusion
Delgado Delgado, Manuel; Molina Becerra, Mónica; Suárez Fernández, Antonio (Elsevier, 2006-01-01)The main goal of this paper is to study the existence and uniqueness of positive solution for a nonlinear age-dependent ...
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Artículo
A variational approach to a nonlocal elliptic problem with sign-changing nonlinearity
Sobreira de Araujo Correa, Francisco Júlio; Delgado Delgado, Manuel; Suárez Fernández, Antonio (De Gruyter, 2011-05) -
Artículo
Age-dependent diffusive Lotka-Volterra type systems
Delgado Delgado, Manuel; Suárez Fernández, Antonio (Elsevier, 2007-03)In this paper it is shown that the sub-supersolution method works for age-dependent diffusive nonlinear systems with ...
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Artículo
Algunas aportaciones matemáticas al estudio del cáncer
Delgado Delgado, Manuel (Universidad de Almería, 2014) -
Artículo
An angiogenesis model with nonlinear chemotactic response and flux at the tumor boundary
Delgado Delgado, Manuel; Gayte Delgado, María Inmaculada; Morales Rodrigo, Cristian; Suárez Fernández, Antonio (Elsevier, 2010-01-01)In this paper we consider a parabolic problem as well as its stationary counterpart of a model arising in angiogenesis. ...
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Artículo
An optimal control problem for a Kirchhoff-type equation
Delgado Delgado, Manuel; Malcher Figueiredo, Giovany de Jesus; Gayte Delgado, María Inmaculada; Morales Rodrigo, Cristian (EDP Sciences, 2017)In this paper we study a control problem for a Kirchhoff-type equation. The method to obtain first order necessary optimality ...
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Artículo
Analysis of an age-structured predator-prey model with disease in the prey
Delgado Delgado, Manuel; Molina Becerra, Mónica; Suárez Fernández, Antonio (Elsevier, 2006-09)We study a nonlinear predator-prey model in which the prey population is affected by a mild disease, but has an effect on ...
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Artículo
Análisis de algunos modelos de dinámica de poblaciones no lineales estructurados en edad y espacio
Delgado Delgado, Manuel; Molina Becerra, Mónica; Suárez Fernández, Antonio (Sociedad Española de Matemática Aplicada, 2005)En este trabajo estudiamos modelos de la dinámica de poblaciones estructurados en edad con difusión. Construiremos un ...
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Artículo
Anti-angiogenic therapy based on the binding receptors
Delgado Delgado, Manuel; Morales Rodrigo, Cristian; Suárez Fernández, Antonio (American Institute of Mathematical Sciences, 2012-11)This paper deals with a nonlinear system of partial differential equations modeling the effect of an anti-angiogenic therapy ...
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Artículo
Combining linear and nonlinear diffusion
Delgado Delgado, Manuel; López Gómez, Julián; Suárez Fernández, Antonio (De Gruyter, 2004-08)In this paper we study a generalized porous medium equation where the diffusion rate, say m(x) —spatially heterogeneous—, ...
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Artículo
Cooperative systems with any number of species
Delgado Delgado, Manuel; Suárez Fernández, Antonio (Brown University, 2003-12)In this paper we study the positive solutions of a cooperative system of any number of equations which considers the case ...
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El “Curso 0” en la Universidad de Sevilla
Delgado Delgado, Manuel (Sociedad Española de Matemática Aplicada, 2004-03) -
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Existence of positive solution of a nonlocal logistic population model
Alves, Claudianor O.; Delgado Delgado, Manuel; Soares Souto, Marco Aurelio; Suárez Fernández, Antonio (Springer, 2015)In this paper, we study the existence of positive solutions for a class of nonlocal problem arising in population dynamic. Basically, we prove our results via bifurcation theory.
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Artículo
Nonlinear age-dependent diffusive equations: a bifurcation approach
Delgado Delgado, Manuel; Molina Becerra, Mónica; Suárez Fernández, Antonio (Elsevier, 2008-05-01)The main goal of this paper is the study of the existence and uniqueness of positive solutions of some nonlinear age-dependent ...
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Artículo
Nonnegative solutions for the degenerate logistic indefinite sublinear equation
Delgado Delgado, Manuel; Suárez Fernández, Antonio (Elsevier, 2003-01)The goal of this paper is to study the nonnegative steady-states solutions of the degenerate logistic indefinite sublinear ...
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Artículo
On a parabolic-elliptic chemotactic model with coupled boundary conditions
Delgado Delgado, Manuel; Morales Rodrigo, Cristian; Suárez Fernández, Antonio; Tello del Castillo, José Ignacio (Elsevier, 2010-10)This paper deals with a nonlinear system of parabolic-elliptic type with a logistic source term and coupled boundary ...
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Artículo
On the existence and multiplicity of positive solutions for some indefinite nonlinear eigenvalue problem
Delgado Delgado, Manuel; Suárez Fernández, Antonio (American Mathematical Society, 2004-06)This paper concerns with the existence, uniqueness and/or multiplicity, and stability of positive solutions of an indefinite ...
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Artículo
On the existence of dead cores for degenerate Lotka-Volterra models
Delgado Delgado, Manuel; Suárez Fernández, Antonio (Cambridge University Press, 2000-08)In this work we study the existence, uniqueness and qualitative properties of nonnegative solutions of the Lotka-Volterra ...