Directional maximal function along the primes
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Laura Cladek
UCLA. Department of Mathematics
José Madrid
UCLA. Department of Mathematics
Polona Durcik
California Institute of Technology
Ben Krause
Princeton University. Department of Mathematics
We study a two-dimensional discrete directional maximal operator along the set of the prime numbers. We show existence of a set of vectors, which are lattice points in a sufficiently large annulus, for which the ` 2 norm of the associated maximal
operator, with supremum taken over all large scales, grows with an epsilon power in the number of vectors. This paper is a follow-up to a prior work on the discrete directional maximal operator along the integers by the first and third author.
Paraules clau
maximal functions, Fourier transform, circle method
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Com citar
Cladek, Laura et al. “Directional maximal function along the primes”. Publicacions Matemàtiques, vol.VOL 65, no. 2, pp. 841-58, https://raco.cat/index.php/PublicacionsMatematiques/article/view/390254.
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L. Cladek and B. Krause, Discrete analogues in harmonic analysis: directional maximal functions in Z 2 , Preprint (2019). arXiv:1901.06070.
C. Demeter, Singular integrals along N directions in R2 , Proc. Amer. Math. Soc. 138(12) (2010), 4433–4442. DOI: 10.1090/S0002-9939-2010-10442-2.
C. Demeter, L2 bounds for a Kakeya-type maximal operator in R3 , Bull. Lond. Math. Soc. 44(4) (2012), 716–728. DOI: 10.1112/blms/bds004.
F. Di Plinio and I. Parissis, Maximal directional operators along algebraic varieties, Preprint (2018). arXiv:1807.08255.
N. H. Katz, Maximal operators over arbitrary sets of directions, Duke Math. J. 97(1) (1999), 67–79. DOI: 10.1215/S0012-7094-99-09702-8.
N. H. Katz and T. Tao, Some connections between Falconer’s distance set conjecture and sets of Furstenburg type, New York J. Math. 7 (2001), 149–187.
M. Mirek, B. Trojan, and P. Zorin-Kranich, Variational estimates for av erages and truncated singular integrals along the prime numbers, Trans. Amer. Math. Soc. 369(8) (2017), 5403–5423. DOI: 10.1090/tran/6822.
J.-O. Stromberg , Maximal functions associated to rectangles with uniformly distributed directions, Ann. of Math. (2) 107(3) (1978), 399–402. DOI: 10.2307/ 1971122.
M. Wierdl, Pointwise ergodic theorem along the prime numbers, Israel J. Math. 64(3) (1988), 315–336. DOI: 10.1007/BF02882425