Análisis Matemático: Envíos recientes
Mostrando ítems 41-60 de 624
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Artículo
Quantitative Hölder estimates for even singular integral operators on patches
(ScienceDirect, 2022-11-01)In this paper we show a constructive method to obtain estimates of even singular integral operators on characteristic ...
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Total and non-total suborbits for hypercyclic operators
(Springer, 2022-11-11)In this note, it is proved that if X is a separable infinite dimensional Fréchet space that admits a continuous norm then, ...
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Artículo
Compactification, and beyond, of composition operators on Hardy spaces by weights
(OJS/PKP, 2021-06-08)We study when multiplication by a weight can turn a non-compact composition operator on H2 into a compact operator, and ...
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Artículo
Approximation and entropy numbers of composition operators
(De Gruyter, 2020-10-17)We give a survey on approximation numbers of composition operators on the Hardy space, on thedisk and on the polydisk, and add corresponding new results on their entropy numbers, revealing how theyare different.
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Comparison of singular numbers of composition operators on different Hilbert spaces of analytic functions
(Elsevier, 2021)We compare the rate of decay of singular numbers of a given composition operator acting on various Hilbert spaces of ...
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Artículo
Surface tension stabilization of the Rayleigh-Taylor instability for a fluid layer in a porous medium
(ScienceDirect, 2020-12-02)This paper studies the dynamics of an incompressible fluid driven by gravity and capillarity forces in a porous medium. ...
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The Klein–Gordon equation, the Hilbert transform, and dynamics of Gauss-type maps
(European Mathematical Society, 2020)We study the uncertainty principle associated with the Klein–Gordon equation. As in the previous work [Ann. of Math. 173 ...
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Artículo
A uniform betweenness property in metric spaces and its role in the quantitative analysis of the “Lion-man” game
(MSP, 2021-01-26)We analyze, based on an interplay between ideas and techniques from logic and geometric analysis, a pursuit-evasion game. ...
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On an Asymptotic Model for Free Boundary Darcy Flow in Porous Media
(SIAM Publications Library, 2020)We provide a rigorous mathematical study of an asymptotic model describing Darcy flow with free boundary in a small ...
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Artículo
«Empaquetando» a los estudiantes en las aulas
(Universidad de Almería, 2021-04-29)La situación sanitaria que nos ha tocado vivir ha modificado radicalmente nuestra vida diaria, esencialmente en nuestra ...
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Artículo
Stability of solitary waves in nonlinear Klein-Gordon equations
(IOP Publishing, 2022-11)The stability of topological solitary waves and pulses in one-dimensional nonlinear Klein–Gordon systems is revisited. The ...
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Error Analysis of Proper Orthogonal Decomposition Stabilized Methods for Incompressible Flows
(Society for Industrial and Applied Mathematics, 2020-06-02)Proper orthogonal decomposition (POD) stabilized methods for the Navier--Stokesequations are considered and analyzed. We ...
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Artículo
Extended eigenvalues of composition operators
(Elsevier, 2021-12-15)A complex scalar λ is said to be an extended eigenvalue of a bounded linear operator A on a complex Hilbert space if there ...
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Ponencia
High-Energy Eigenfunctions of the Laplacian on the Torus and the Sphere with Nodal Sets of Complicated Topology
(Springer, 2021-04-17)Let Σ be an oriented compact hypersurface in the round sphere Sn or in the flat torus Tn, n≥3. In the case of the torus, ...
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A characterization of 3D steady Euler flows using commuting zero-flux homologies
(Cambridge, 2020-02-10)We characterize, using commuting zero-flux homologies, those volumepreserving vector fields on a 3-manifold that are ...
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Artículo
Real-Analytic Non-Integrable Functions on the Plane with Equal Iterated Integrals
(Springer, 2021-12-16)In this note, a vector space of real-analytic functions on the plane is explicitly constructed such that all its nonzero ...
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Tesis Doctoral
Spaces of Analytic Functions With Average Radial Integrability and Integration Operators
(2021-10-04)In this thesis, we introduce the family of spaces of holomorphic functions in the unit disc with average radial integrability ...
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Artículo
Average radial integrability spaces of analytic functions
(Academic Press Inc., 2022)In this paper we introduce the family of spaces RM(p, q), 1 ≤ p, q ≤ +∞. They are spaces of holomorphic functions in the ...
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Artículo
New examples of subsets of c with the FPP and stability of the FPP in hyperconvex spaces
(Springer, 2021-07-22)The purpose of this work is two-fold. On the one side, we focus on the space of real convergent sequences c where we study ...
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Artículo
Extended eigenvalues of composition operators
(Elsevier, 2021-12-15)A complex scalar λ is said to be an extended eigenvalue of a bounded linear operator A on a complex Hilbert space if there ...