• PhD Thesis
  

  Geometry in metric spaces and fixed point theorems for classes of nonexpansive type mappings 

  Parasio Sobreira de Souza, Daniel (2023-03-27)

  The main purpose of this work is to present recent results obtained on the existence of Fxed points for nonexpansive ...

• Article
  

  Multi-Stroke handwriting character recognition based on sEMG using convolutional-recurrent neural networks 

  Beltrán Hernández, José Guadalupe; Ruiz Pinales, José; López Rodríguez, Pedro; López Ramírez, José Luis; Aviña Cervantes, Juan Gabriel (AIMS, 2020-08-12)

  Despite the increasing use of technology, handwriting has remained to date as an efficient means of communication. Certainly, ...

• Article
  

  Pseudo-Fubini Real-Entire Functions on the Plane 

  Bernal González, Luis; Calderón Moreno, María del Carmen; Jung, Andreas (Springer, 2022-09-09)

  In this note, it is proved the existence of a c -dimensional vector space of real-entire functions all of whose nonzero ...

• Article
  

  Distribution symmetry of toral eigenfunctions 

  Martínez, Ángel D.; Torres de Lizaur, Francisco Javier (EMS Press, 2021-12-14)

  In this paper we study a number of conjectures on the behavior of the value distribution of eigenfunctions. On the two ...

• Article
  

  Density and extension of differentiable functions on metric measure spaces 

  Espínola García, Rafael; Sánchez González, Luis (De Gruyte, 2021-11-22)

  We consider vector valued mappings de ned on metric measure spaces with a measurable differ-entiable structure and study ...

• Article
  

  An Lp-Functional Busemann–Petty Centroid Inequality 

  Haddad, Julian Eduardo; Jiménez Gómez, Carlos Hugo; da Silva, Leticia A. (Oxford Academic, 2020-01-23)

  For a convex body K⊂Rn ⁠, let ΓpK be its Lp -centroid body. The Lp -Busemann–Petty centroid inequality states that ...

• Article
  

  Bispectral dual Hahn polynomials with an arbitrary number of continuous parameters 

  Durán Guardeño, Antonio José (Elsevier, 2022-08-19)

  We construct new examples of bispectral dual Hahn polynomials, i.e., orthogonal polynomials with respect to certain ...

• Article
  

  Quantitative Hölder estimates for even singular integral operators on patches 

  Gancedo García, Francisco; García Juárez, Eduardo Miguel (ScienceDirect, 2022-11-01)

  In this paper we show a constructive method to obtain estimates of even singular integral operators on characteristic ...

• Article
  

  Total and non-total suborbits for hypercyclic operators 

  Bernal González, Luis; Bonilla, Antonio (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, ...

• Article
  

  Compactification, and beyond, of composition operators on Hardy spaces by weights 

  Lefèvre, Pascal; Li, Daniel; Queffélec, Hervé; Rodríguez Piazza, Luis (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 ...

• Article
  

  Approximation and entropy numbers of composition operators 

  Li, Daniel; Queffélec, Hervé; Rodríguez Piazza, Luis (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.

• Article
  

  Comparison of singular numbers of composition operators on different Hilbert spaces of analytic functions 

  Lefèvre, Pascal; Li, Daniel; Queffélec, Hervé; Rodríguez Piazza, Luis (Elsevier, 2021)

  We compare the rate of decay of singular numbers of a given composition operator acting on various Hilbert spaces of ...

• Article
  

  Surface tension stabilization of the Rayleigh-Taylor instability for a fluid layer in a porous medium 

  Gancedo García, Francisco; Granero Belinchón, Rafael; Scrobogna, Stefano (ScienceDirect, 2020-12-02)

  This paper studies the dynamics of an incompressible fluid driven by gravity and capillarity forces in a porous medium. ...

• Article
  

  The Klein–Gordon equation, the Hilbert transform, and dynamics of Gauss-type maps 

  Hedenmalm, Haakan; Montes Rodríguez, Alfonso (European Mathematical Society, 2020)

  We study the uncertainty principle associated with the Klein–Gordon equation. As in the previous work [Ann. of Math. 173 ...

• Article
  

  A uniform betweenness property in metric spaces and its role in the quantitative analysis of the “Lion-man” game 

  Kohlenbach, Ulrich Wilhelm; López Acedo, Genaro; Nicolae, Adriana (MSP, 2021-01-26)

  We analyze, based on an interplay between ideas and techniques from logic and geometric analysis, a pursuit-evasion game. ...

• Article
  

  On an Asymptotic Model for Free Boundary Darcy Flow in Porous Media 

  Granero Belinchón, Rafael; Scrobogna, Stefano (SIAM Publications Library, 2020)

  We provide a rigorous mathematical study of an asymptotic model describing Darcy flow with free boundary in a small ...

• Article
  

  «Empaquetando» a los estudiantes en las aulas 

  Álvarez Nodarse, Renato; Quintero, Niurka R. (Universidad de Almería, 2021-04-29)

  La situación sanitaria que nos ha tocado vivir ha modificado radicalmente nuestra vida diaria, esencialmente en nuestra ...

• Article
  

  Stability of solitary waves in nonlinear Klein-Gordon equations 

  Rabán Mondéjar, Pablo; Álvarez Nodarse, Renato; Quintero, Niurka R. (IOP Publishing, 2022-11)

  The stability of topological solitary waves and pulses in one-dimensional nonlinear Klein–Gordon systems is revisited. The ...

• Article
  

  Error Analysis of Proper Orthogonal Decomposition Stabilized Methods for Incompressible Flows 

  Novo, Julia; Rubino, Samuele (Society for Industrial and Applied Mathematics, 2020-06-02)

  Proper orthogonal decomposition (POD) stabilized methods for the Navier--Stokesequations are considered and analyzed. We ...

• Article
  

  Extended eigenvalues of composition operators 

  Lacruz Martín, Miguel Benito; Leon Saavedra, Fernando; Petrovic, Srdjan; Rodríguez Piazza, Luis (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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