DAVID
BELTRAN PORTALES
INVEST CONT RAMON Y CAJAL
Argitalpenak (19) DAVID BELTRAN PORTALES argitalpenak
2024
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Bochner–Riesz means at the critical index: weighted and sparse bounds
Mathematische Annalen
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Off-diagonal estimates for the helical maximal function
Proceedings of the London Mathematical Society, Vol. 128, Núm. 4
2023
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Continuity of the gradient of the fractional maximal operator on W1,1(Rd)
Mathematical Research Letters, Vol. 30, Núm. 3, pp. 689-707
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Endpoint sparse domination for classes of multiplier transformations
Mathematische Zeitschrift, Vol. 305, Núm. 1
2022
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Lp- Lq Local Smoothing Estimates for the Wave Equation via k-Broad Fourier Restriction
Journal of Fourier Analysis and Applications, Vol. 28, Núm. 5
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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
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Variation bounds for spherical averages
Mathematische Annalen, Vol. 382, Núm. 1-2, pp. 459-512
2021
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Endpoint Sobolev Continuity of the Fractional Maximal Function in Higher Dimensions
International Mathematics Research Notices, Vol. 2021, Núm. 22, pp. 17316-17342
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Sharp Local Smoothing Estimates for Fourier Integral Operators
Springer INdAM Series (Springer-Verlag Italia s.r.l.), pp. 29-105
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Sobolev improving for averages over curves in R4
Advances in Mathematics, Vol. 393
2020
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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
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Regularity of the centered fractional maximal function on radial functions
Journal of Functional Analysis, Vol. 279, Núm. 8
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Sparse bounds for pseudodifferential operators
Journal d'Analyse Mathematique, Vol. 140, Núm. 1, pp. 89-116
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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
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Control of pseudodifferential operators by maximal functions via weighted inequalities
Transactions of the American Mathematical Society, Vol. 371, Núm. 5, pp. 3117-3143
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Regularity of fractional maximal functions through Fourier multipliers
Journal of Functional Analysis, Vol. 276, Núm. 6, pp. 1875-1892
2018
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A Fefferman–Stein inequality for the Carleson operator
Revista matemática iberoamericana, Vol. 34, Núm. 1, pp. 221-244
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A Fefferman–Stein inequality for the Carleson operator
Revista Matemática Iberoamericana, Vol. 34, Núm. 1, pp. 221-244
2017
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Subdyadic square functions and applications to weighted harmonic analysis
Advances in Mathematics, Vol. 307, pp. 72-99