activity
20102022
most citedOn the endpoint regularity of discrete maximal operators

51 citations · 138 across the 17 of their papers we have counts for

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17 papers · 1 filter

math.CA2022

Reinforcing a Philosophy: Littlewood--Paley theory for the moment curve over generic local fields

Kevin Hughes

Using the Girard--Newton formulae, I give a simple proof of isotropic square function estimates for extension operators along the moment curve in generic local fields. Using Bezout…

math.CA2022★ 1 cited

A decoupling interpretation of an old argument for Vinogradov's Mean Value Theorem

Brian Cook, Kevin Hughes, Zane Kun Li +3

We interpret into decoupling language a refinement of a 1973 argument due to Karatsuba on Vinogradov's mean value theorem. The main goal of our argument is to answer what precisely…

math.CA2022

Subcritical paucity and -improving estimates for finite-type polynomial curves

Kevin Hughes

I prove new subcritical bounds for the -improving problem along restricted subsets of a degenerate curve. The key input is a new paucity estimate for associated inhomogeneo…

math.CA2022

Reinforcing a Philosophy: A counting approach to square functions over local fields

Kirsti D. Biggs, Julia Brandes, Kevin Hughes

In this paper, we study square functions for extension operators over finite-type, planar curves endowed with the Euclidean arclength measure. We prove new results for curves of th…

math.CA2020

Some subcritical estimates for the -improving problem for discrete curves

Spyridon Dendrinos, Kevin Hughes, Marco Vitturi

We apply Christ's method of refinements to the -improving problem for discrete averages along polynomial curves in . Combined with certain ele…

math.CA2020

Supercritical discrete restriction estimates for forms in many variables

Brian Cook, Kevin Hughes, Eyvindur Palsson

We prove discrete restriction estimates for a broad class of hypersurfaces and varieties of intermediate codimension. For our result about hypersurfaces, we use Bourgain's arithmet…

math.CA2019★ 6 cited

Discrete restriction for and related topics

Kevin Hughes, Trevor D. Wooley

Defining the truncated extension operator for a sequence with by putting \[ E{a}(α,β):=\sum_{|n|\leq N}a(n) e(αn^3 + βn), \] we obtain the conjecture…

math.CA2019

Bounds for Lacunary maximal functions given by Birch--Magyar averages

Brian Cook, Kevin Hughes

We obtain positive and negative results concerning lacunary discrete maximal operators defined by dilations of sufficiently nonsingular hypersurfaces arising from Diophantine equat…

math.CA2018★ 4 cited

-improving for discrete spherical averages

Kevin Hughes

We initiate the theory of -improving inequalities for arithmetic averages over hypersurfaces and their maximal functions. In particular, we prove -improving estimat…

math.CA2017★ 16 cited

Improved -Boundedness for Integral -Spherical Maximal Functions

Theresa C. Anderson, Brian Cook, Kevin Hughes +1

We improve the range of -boundedness of the integral -spherical maximal functions introduced by Magyar. The previously best known bounds for the full -sp…

math.CA2017

On the ergodic Waring--Goldbach problem

Theresa C. Anderson, Brian Cook, Kevin Hughes +1

We prove an asymptotic formula for the Fourier transform of the arithmetic surface measure associated to the Waring--Goldbach problem and provide several applications, including bo…

math.CA2016

The Pointillist principle for variation operators and jump functions

Kevin Hughes

We extend the pointillist principles of Moon and Carrillo--de Guzmán to variational operators and jump functions.

math.CA2016

The discrete spherical averages over a family of sparse sequences

Kevin Hughes

We initiate the study of the -boundedness of the arithmetic spherical maximal function over sparse sequences. We state a folklore conjecture for lacunary sequ…

math.CA2015

Restricted weak-type endpoint estimates for discrete k-spherical maximal functions

Kevin Hughes

In this paper, we use the Approximation Formula for the Fourier transform of the solution set of lattice points on k-spheres and methods of Bourgain and Ionescu to refine the l^p(Z…

math.CA2014★ 1 cited

The Maximal Function and Square Function Control the Variation: An Elementary Proof

Kevin Hughes, Ben Krause, Bartosz Trojan

In this note we prove the following good- inequality, for , all , \[ ν\big\{ V_r(f) > 3 λ; \mathcal{M}(f) \leq δλ\big\} \leq 4 ν\{s(f…

math.CA2013★ 5 cited

Problems and Results related to Waring's problem: Maximal functions and ergodic averages

Kevin Hughes

We study the arithmetic analogue of maximal functions on diagonal hypersurfaces. This paper is a natural step following the papers of \cite{Magyar_dyadic}, \cite{Magyar_ergodic} an…

math.CA2013★ 51 cited

On the endpoint regularity of discrete maximal operators

Emanuel Carneiro, Kevin Hughes

Given a discrete function we consider the maximal operator …