Artículos (Instituto de Matemáticas de la Universidad de Sevilla (Antonio de Castro Brzezicki)): Envíos recientes
Mostrando ítems 61-80 de 105
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Mixed integer linear programming and heuristic methods for feature selection in clustering
(Taylor & Francis, 2018)This paper studies the problem of selecting relevant features in clustering problems, out of a data set in which many ...
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On a certified Smagorinsky reduced basis turbulence model
(Society for Industrial and Applied Mathematics, 2017)In this work we present a reduced basis Smagorinsky turbulence model for steady flows. We approximate the nonlinear eddy ...
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On the Muskat problem: global in time results in 2D and 3D
(Johns Hopkins University Press, 2016-12)This paper considers the three dimensional Muskat problem in the stable regime. We obtain a conservation law which provides ...
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En recuerdo de Alexander Grothendieck: prólogo para una lectura de su vida y obra
(Real Sociedad Matemática Española, 2017)En este artículo repasamos algunas de las claves de las contribuciones matemáticas de Alexander Grothendieck y del contexto ...
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New results on the Stackelberg-Nash exact control of linear parabolic equations
(Elsevier, 2017-06)This paper is concerned with Stackelberg-Nash strategies to control parabolic equations. We have one control, the leader, ...
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Visualizing data as objects by DC (difference of convex) optimization
(Springer, 2017)In this paper we address the problem of visualizing in a bounded region a set of individuals, which has attached a ...
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Torsion of rational elliptic curves over cubic fields
(Rocky Mountain Mathematics Consortium, 2016)Let E be an elliptic curve defined over Q. We study the relationship between the torsion subgroup E(Q)tors and the torsion ...
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Analysis of the hydrostatic Stokes problem and finite-element approximation in unstructured meshes
(Springer, 2015-06)The stability of velocity and pressure mixed finite-element approximations in general meshes of the hydrostatic Stokes ...
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Rank aggregation in cyclic sequences
(Springer, 2016-05-10)In this paper we propose the problem of finding the cyclic sequence which best represents a set of cyclic sequences. Given ...
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A survey for the Muskat problem and a new estimate
(Springer, 2017-03)This paper shows a summary of mathematical results about the Muskat problem. The main concern is well-posed scenarios ...
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Integral points in rational polygons: a numerical semigroup approach
(Springer, 2016)In this paper we use an elementary approach by using numerical semigroups (specifically, those with two generators) to ...
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Analysis of a full space-time discretization of the Navier-Stokes equations by a local projection stabilization method
(Oxford University Press, 2016)A finite element error analysis of a local projection stabilization (LPS) method for the time-dependent Navier–Stokes ...
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The fixed point property and unbounded sets in CAT(0) spaces
(Elsevier, 2013-12-15)In this work we study the fixed point property for nonexpansive self-mappings defined on convex and closed subsets of a ...
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A flexible approach to location problems
(Springer, 2000-02)When dealing with location problems we are usually given a set of existing facilities and we are looking for the location ...
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On minimax-regret Huff location models
(Elsevier, 2011-01)We address the following single-facility location problem: a firm is entering into a market by locating one facility in a ...
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Analysis of a coupled fluid-structure model with applications to hemodynamics
(Society for Industrial and Applied Mathematics, 2016)We propose and analyze a simplified fluid-structure coupled model for flows with compliant walls. As in [F. Nobile and C. ...
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Some examples of compact composition operators on H2
(Elsevier, 2008-12-01)We construct, in an essentially explicit way, various composition operators on H2 and study their compactness or their ...
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Thin sets of integers in Harmonic analysis and p-stable random Fourier series
(Springer, 2011-06)We investigate the behavior of some thin sets of integers defined through random trigonometric polynomial when one replaces ...
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Nevanlinna counting function and Carleson function of analytic maps
(Springer, 2011-10)We show that the maximal Nevanlinna counting function and the Carleson function of analytic self-maps of the unit disk are equivalent, up to constants.
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On some random thin sets of integers
(American Mathematical Society, 2008-01)We show how different random thin sets of integers may have different behaviour. First, using a recent deviation inequality ...