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Listar por Patrocinador "Istituto Nazionale di Alta Matematica "Francesco Severi""

RiuNet: Repositorio Institucional de la Universidad Politécnica de Valencia

Listar por Patrocinador "Istituto Nazionale di Alta Matematica "Francesco Severi""

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    Global Wave Front Sets in Ultradifferentiable Classes 
    Asensio López, Vicente; Boiti, Chiara; Jornet Casanova, David; Oliaro, Alessandro (Springer-Verlag, 2022-04)
    [EN] We introduce a global wave front set using Weyl quantizations of pseudodifferential operators of infinite order in the ultradifferentiable setting. We see that in many cases it coincides with the Gabor wave front set ...
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    On some questions on selectively highly divergent spaces 
    Bella, Angelo; Spadaro, Santi (Universitat Politècnica de València, 2024-04-02)
    [EN] A topological space X is selectively highly divergent (SHD) if for every sequence of non-empty open sets { Un : n ∈ ω } of X, we can find xn ∈ Un such that the sequence {xn : n ∈ ω } has no convergent subsequences. ...
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    Strategies of Preconditioner Updates for Sequences of Linear Systems Associated with the Neutron Diffusion 
    Carreño, Amanda; Bergamaschi, L.; Martínez, A.; Ginestar Peiro, Damián; Vidal-Ferràndiz, Antoni; Verdú Martín, Gumersindo Jesús (John Wiley & Sons, 2022-06-26)
    [EN] The time-dependent neutron diffusion equation approximates the neutronic power evolution inside a nuclear reactor core. Applying a Galerkin finite element method for the spatial discretization of these equations leads ...