• openAccess   Key factors affecting people’s unwillingness to be confined during the COVID-19 pandemic in Spain: a large-scale population study 

      Martínez Garcia, marina; Rabasa, Alejandro; Barber, Xavier; Polotskaya, Kristina; Roomp, Kristof; Oliver, Nuria Springer Nature Limited (2021-09-20)
      Population confinements have been one of the most widely adopted non-pharmaceutical interventions (NPIs) implemented by governments across the globe to help contain the spread of the SARS-CoV-2 virus. While confinement ...
    • openAccess   Korovkin-Type Results on Convergence of Sequences of Positive Linear Maps on Function Spaces 

      Hosseini, Maliheh; Font, Juan J. Springer Verlag (2019-11-11)
      In this paper, we deal with the convergence of sequences of positive linear maps to a (not assumed to be linear) isometry on spaces of continuous functions. We obtain generalizations of known Korovkin-type results and ...
    • closedAccess   Landau's theorem on conjugacy classes for normal subgroups 

      Beltrán, Antonio; Felipe, Maria José; Melchor Borja, Carmen World Scientific (2016-10-10)
      Landau’s theorem on conjugacy classes asserts that there are only finitely many finite groups, up to isomorphism, with exactly k conjugacy classes for any positive integer k. We show that, for any positive integers n and ...
    • openAccess   Lattice paths with given number of turns and semimodules over numerical semigroups 

      Moyano-Fernández, Julio José; Uliczka, Jan Springer US (2014-06)
      Let Γ =< α, ß> be a numerical semigroup. In this article we consider several relations between the so-called Γ -semimodules and lattice paths from (0, α) to (ß,0): we investigate isomorphism classes of Γ -semimodules as ...
    • openAccess   LCM Lattices and Stanley Depth: A First Computational Approach 

      Ichim, Bogdan; Katthän, Lukas; Moyano-Fernández, Julio José Taylor & Francis (2015-10)
      Let K be a field, and let S D K [X1, . . . ,Xn] be the polynomial ring. Let / be a monomial ideal of S with up to 5 generators. In this paper, we present a computational experiment which allows us to prove that depthS ...
    • openAccess   Lebesgue regularity for differential difference equations with fractional damping 

      Lizama, Carlos; murillo arcila, marina; Leal, Claudio Wiley (2018)
      We provide necessary and sufficient conditions for the existence and unique-ness of solutions belonging to the vector-valued space of sequences �(Z, X) forequations that can be modeled in the formΔu(n)+Δu(n)=Au(n)+G(u)(n)+ ...
    • openAccess   Lebesgue regularity for nonlocal time-discrete equations with delays 

      Leal, Claudio; Lizama, Carlos; murillo arcila, marina De Gruyter (2018-06-26)
      In this work, we provide a new and effective characterization for the existence and uniqueness of solutions for nonlocal time-discrete equations with delays, in the setting of vector-valued Lebesgue spaces of ...
    • openAccess   Ley de reciprocidad cuadrática y aplicaciones 

      Pérez Maletzki, Mario Asociación Nacional de Estudiantes de Matemáticas (2023)
      El objetivo de este trabajo es introducir todos los conceptos y teoremas necesarios para poder dar una demostración rigurosa y autocontenida de la ley de reciprocidad cuadrática y ver cómo puede ser una herramienta útil ...
    • openAccess   Lineability within Probability Theory settings 

      Conejero, J. Alberto; Fenoy, Mar; murillo arcila, marina; Seoane Sepúlveda, Juan Springer (2016)
      The search of lineability consists on nding large vector spaces of mathematical objects with special properties. Such examples have arisen in the last years in a wide range of settings such as in real and complex analysis, ...
    • openAccess   Linear and Multilinear Isometries in a Noncompact Framework 

      Hosseini, Maliheh; Font, Juan J. Springer (2021-03-19)
      Both classical linear and multilinear isometries defined between subalgebras of bounded continuous functions on (complete) metric spaces are studied. Particularly, we prove that certain such subalgebras, including the ...
    • openAccess   Linear chaos for the Quick-Thinking-Driver model 

      Conejero, J. Alberto; murillo arcila, marina; Seoane Sepúlveda, Juan Springer (2016)
      In recent years, the topic of car-following has experimented an increased importance in traffic engineering and safety research. This has become a very interesting topic because of the development of driverless cars (Google ...
    • openAccess   Linear dynamics of semigroups generated by differential operators 

      Conejero, J. Alberto; Lizama, Carlos; murillo arcila, marina; Peris, A. De Gruyter (2017)
      During the last years, several notions have been introduced for describing the dynamical behavior of linear operators on infinite-dimensional spaces, such as hypercyclicity, chaos in the sense of Devaney, chaos in the ...
    • openAccess   Linear optics only allows every possible quantum operation for one photon or one port 

      Moyano-Fernández, Julio José; García-Escartín, Juan Carlos Elsevier (2017)
      We study the evolution of the quantum state of n photons in m different modes when they go through a lossless linear optical system. We show that there are quantum evolution operators U that cannot be built with linear ...
    • openAccess   Liouville’s equations for random systems 

      Jornet, Marc Taylor and Francis (2021-10-03)
      Given a random system, a Liouville’s equation is an exact partial differential equation that describes the evolution of the probability density function of the solution. In this paper, we derive Liouville’s equations for ...
    • openAccess   List Decoding of Matrix-Product Codes from nested codes: an application to Quasi-Cyclic codes 

      Hernando, Fernando; Hoholdt, Tom; Ruano, Diego American Institute of Mathematical Sciences (2012-01-30)
      A list decoding algorithm for matrix-product codes is provided when C1, . . . , Cs are nested linear codes and A is a non-singular by columns matrix. We estimate the probability of getting more than one codeword as output ...
    • openAccess   List decoding of repeated codes 

      Hernando, Fernando; O'Sullivan, Michael E.; Ruano, Diego Springer (2013-08)
      Assuming that we have a soft-decision list decoding algorithm of a linear code, a new hard-decision list decoding algorithm of its repeated code is proposed in this article. Although repeated codes are not used for ...
    • closedAccess   Local and 2-local isometries between absolutely continuous function spaces 

      Hosseini, Maliheh; Font, Juan J. Element d.o.o. (2021-12-01)
      In this paper we give a complete description of local and 2-local isometries defined between spaces of scalar-valued absolutely continuous functions on arbitrary (not necessarily compact) subsets of the real line with at ...
    • openAccess   Local inhomogeneous second-order characteristics for spatio-temporal point processes occurring on linear networks 

      D'ANGELO, Nicoletta; adelfio, giada; Mateu, Jorge Springer (2022)
      Point processes on linear networks are increasingly being considered to analyse events occurring on particular network-based structures. In this paper, we extend Local Indicators of Spatio-Temporal Association (LISTA) ...
    • openAccess   Local Inhomogeneous Weighted Summary Statistics for Marked Point Processes 

      D'ANGELO, Nicoletta; adelfio, giada; Mateu, Jorge; Cronie, Ottmar Taylor and Francis (2023)
      We introduce a family of local inhomogeneous mark-weighted summary statistics, of order two and higher, for general marked point processes. Depending on how the involved weight function is specified, these summary statistics ...
    • closedAccess   Local Isometries on Subspaces of Continuous Functions 

      Font, Juan J.; Hosseini, Maliheh Springer (2023-04)
      In this paper, we provide a representation of local isometries when defined between certain general subspaces of scalar-valued and vector-valued continuous functions. Based on the description mentioned above, we are able ...