Publicaciones (57) Publicaciones de José Luis Ansorena Barasoain

2024

  1. Counterexamples in isometric theory of symmetric and greedy bases

    Journal of Approximation Theory, Vol. 297

2023

  1. Bidemocratic Bases and Their Connections with Other Greedy-Type Bases

    Constructive Approximation, Vol. 57, Núm. 1, pp. 125-160

  2. Democracy of quasi-greedy bases in -Banach spaces with applications to the efficiency of the Thresholding Greedy Algorithm in the Hardy spaces

    Proceedings of the Royal Society of Edinburgh Section A: Mathematics, Vol. 43

  3. Elton's near unconditionality of bases as a threshold-free form of greediness

    Journal of Functional Analysis, Vol. 285, Núm. 7

  4. Existence of Almost Greedy Bases in Mixed-Norm Sequence and Matrix Spaces, Including Besov Spaces

    Constructive Approximation

  5. Fourier coefficients of functions in power-weighted L 2 -spaces and conditionality constants of bases in Banach spaces

    Proceedings of the Royal Society of Edinburgh Section A: Mathematics, Vol. 153, Núm. 3, pp. 784-810

  6. Lorentz spaces and embeddings induced by almost greedy bases in superreflexive Banach spaces

    Israel Journal of Mathematics, Vol. 255, Núm. 2, pp. 621-644

  7. Sparse approximation using new greedy-like bases in superreflexive spaces

    Studia Mathematica, Vol. 271, Núm. 3, pp. 321-346

2022

  1. Fundamental functions of almost greedy bases of Lp for 1 < p< ∞

    Banach Journal of Mathematical Analysis, Vol. 16, Núm. 3

  2. Lipschitz Algebras and Lipschitz-Free Spaces Over Unbounded Metric Spaces

    International Mathematics Research Notices, Vol. 2022, Núm. 20, pp. 16327-16362

  3. New parameters and Lebesgue-type estimates in greedy approximation

    Forum of Mathematics, Sigma, Vol. 10

  4. On the permutative equivalence of squares of unconditional bases

    Advances in Mathematics, Vol. 410

  5. Structure of the Lipschitz free p-spaces Fp(Zd) and Fp(Rd) for 0<p≤1

    Collectanea mathematica, Vol. 73, Fasc. 3, pp. 337-357

  6. Toward an optimal theory of integration for functions taking values in quasi-Banach spaces

    Revista de la Real Academia de Ciencias Exactas, Fisicas y Naturales - Serie A: Matematicas, Vol. 116, Núm. 2

  7. UNIQUENESS of UNCONDITIONAL BASIS of φ2 T (2)

    Proceedings of the American Mathematical Society, Vol. 150, Núm. 2, pp. 709-717

  8. Uniqueness of unconditional basis of Hp(T)⊕ℓ2 and Hp(T)⊕T(2) for 0 < p < 1

    Journal of Functional Analysis, Vol. 283, Núm. 7

  9. Uniqueness of unconditional basis of infinite direct sums of quasi-Banach spaces

    Positivity, Vol. 26, Núm. 2

  10. Weak forms of unconditionality of bases in greedy approximation

    Studia Mathematica, Vol. 267, Núm. 1, pp. 1-17

2021

  1. A dichotomy for subsymmetric basic sequences with applications to garling spaces

    Transactions of the American Mathematical Society, Vol. 374, Núm. 3, pp. 2079-2106

  2. Greedy approximation for biorthogonal systems in quasi-Banach spaces

    Dissertationes Mathematicae, Vol. 560, pp. 1-88