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Browsing per Sponsorship "Agencia de Ciencia y Tecnología de la Región de Murcia"

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Browsing per Sponsorship "Agencia de Ciencia y Tecnología de la Región de Murcia"

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    Gamma-flatness and Bishop-Phelps-Bollobas type theorems for operators 
    Cascales Salinas, Bernardo; Guirao Sánchez, Antonio José; Kadets, Vladimir; Soloviova, Mariia (Elsevier, 2018)
    [EN] The Bishop-Phelps-Bollobas property deals with simultaneous approximation of an operator T and a vector x at which T nearly attains its norm by an operator T-o and a vector x(o), respectively, such that T-o attains ...
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    On the preserved extremal structure of Lipschitz-free spaces 
    Aliaga, Ramón J.; Guirao Sánchez, Antonio José (Institute of Mathematics, Polish Academy of Sciences, 2019)
    [EN] We characterize preserved extreme points of the unit ball of Lipschitz-free spaces F(X) in terms of simple geometric conditions on the underlying metric space (X,d). Namely, the preserved extreme points are the ...
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    Remarks on the set of norm-attaining functionals and differentiability 
    Guirao Sánchez, Antonio José; Montesinos Santalucia, Vicente; Zizler, Vaclav (Institute of Mathematics, Polish Academy of Sciences, 2018)
    [EN] We use the smooth variational principle and a standard renorming to give a short direct proof of the classical Bishop-Phelps-Bollobas theorem on the density of norm-attaining functionals for weakly compactly generated ...