Publications (19) DAVID BELTRAN PORTALES publications

2024

  1. Bochner–Riesz means at the critical index: weighted and sparse bounds

    Mathematische Annalen

  2. Off-diagonal estimates for the helical maximal function

    Proceedings of the London Mathematical Society, Vol. 128, Núm. 4

2023

  1. Continuity of the gradient of the fractional maximal operator on W1,1(Rd)

    Mathematical Research Letters, Vol. 30, Núm. 3, pp. 689-707

  2. Endpoint sparse domination for classes of multiplier transformations

    Mathematische Zeitschrift, Vol. 305, Núm. 1

2022

  1. Lp- Lq Local Smoothing Estimates for the Wave Equation via k-Broad Fourier Restriction

    Journal of Fourier Analysis and Applications, Vol. 28, Núm. 5

  2. The circular maximal operator on Heisenberg radial functions

    Annali della Scuola Normale Superiore di Pisa - Classe di Scienze , Vol. 23, Núm. 2, pp. 501-568

  3. Variation bounds for spherical averages

    Mathematische Annalen, Vol. 382, Núm. 1-2, pp. 459-512

2021

  1. Endpoint Sobolev Continuity of the Fractional Maximal Function in Higher Dimensions

    International Mathematics Research Notices, Vol. 2021, Núm. 22, pp. 17316-17342

  2. Sharp Local Smoothing Estimates for Fourier Integral Operators

    Springer INdAM Series (Springer-Verlag Italia s.r.l.), pp. 29-105

  3. Sobolev improving for averages over curves in R4

    Advances in Mathematics, Vol. 393

2020

  1. Bilinear identities involving the k-plane transform and Fourier extension operators

    Proceedings of the Royal Society of Edinburgh Section A: Mathematics, Vol. 150, Núm. 6, pp. 3349-3377

  2. Regularity of the centered fractional maximal function on radial functions

    Journal of Functional Analysis, Vol. 279, Núm. 8

  3. Sparse bounds for pseudodifferential operators

    Journal d'Analyse Mathematique, Vol. 140, Núm. 1, pp. 89-116

  4. Variable coefficient wolff-type inequalities and sharp local smoothing estimates for wave equations on manifolds

    Analysis and PDE, Vol. 13, Núm. 2, pp. 403-433

2019

  1. Control of pseudodifferential operators by maximal functions via weighted inequalities

    Transactions of the American Mathematical Society, Vol. 371, Núm. 5, pp. 3117-3143

  2. Regularity of fractional maximal functions through Fourier multipliers

    Journal of Functional Analysis, Vol. 276, Núm. 6, pp. 1875-1892

2018

  1. A Fefferman–Stein inequality for the Carleson operator

    Revista Matemática Iberoamericana, Vol. 34, Núm. 1, pp. 221-244

  2. A Fefferman–Stein inequality for the Carleson operator

    Revista matemática iberoamericana, Vol. 34, Núm. 1, pp. 221-244

2017

  1. Subdyadic square functions and applications to weighted harmonic analysis

    Advances in Mathematics, Vol. 307, pp. 72-99