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Counting integer points in large convex bodies with smooth boundaries containing isolated flat points is oftentimes an intermediate case between balls (or convex bodies with smooth boundaries having everywhere positive curvature) and cubes…

Functional Analysis · Mathematics 2019-09-10 Luca Brandolini , Giancarlo Travaglini

We estimate the $L^{p}$ norms of the discrepancy between the volume and the number of integer points in $r\Omega-x$, a dilated by a factor $r$ and translated by a vector $x$ of a convex body $\Omega$ in $\mathbb{R}^{d}$ with smooth boundary…

Classical Analysis and ODEs · Mathematics 2019-02-25 Leonardo Colzani , Bianca Gariboldi , Giacomo Gigante

We prove various estimates for the mean square lattice point discrepancy for dilates of a convex body.

Classical Analysis and ODEs · Mathematics 2010-04-08 Alexander Iosevich , Eric Sawyer , Andreas Seeger

We estimate some mixed $L^{p}\left( L^{2}\right) $ norms of the discrepancy between the volume and the number of integer points in $r\Omega-x$, a dilated by a factor $r$ and translated by a vector $x$ of a convex body $\Omega$ in…

Number Theory · Mathematics 2019-04-08 Leonardo Colzani , Bianca Gariboldi , Giacomo Gigante

Based on a fairly precise approximation to the lattice discrepancy of a Lame disc, an asymptotic formula is established for the number of lattice points in a related three-dimensional body, linearly dilated by a large real parameter x.…

Number Theory · Mathematics 2010-03-31 E. Krätzel , W. G. Nowak

Let $\Omega \subset \mathbb{R}^{d}$ be a convex body with everywhere positive curvature except at the origin and with the boundary $\partial \Omega$ as the graph of the function $y=|x|^{\gamma}$ in a neighborhood of the origin with $\gamma…

Number Theory · Mathematics 2019-04-08 Bianca Gariboldi

For a convex body B in three-dimensional Euclidean space, which is invariant under rotations around one coordinate axis and has a smooth boundary of bounded nonzero curvature, the lattice point discrepancy (number of integer points minus…

Number Theory · Mathematics 2007-05-23 Manfred Kühleitner , Werner Georg Nowak

We introduce the arithmetic width of a convex body, defined as the number of distinct values a linear functional attains on the lattice points within the body. Arithmetic width refines lattice width by detecting gaps in the lattice point…

Combinatorics · Mathematics 2025-09-08 Jesús A. De Loera , Brittney Marsters , Christopher O'Neill

We undertake a detailed study of the $L^2$ discrepancy of rational and irrational 2-dimensional lattices either with or without symmetrization. We give a full characterization of lattices with optimal $L^2$ discrepancy in terms of the…

Number Theory · Mathematics 2024-10-10 Bence Borda

In a previous article it was shown that when a three-dimensional smooth convex body has rotational symmetry around a coordinate axis one can find better bounds for the lattice point discrepancy than what is known for more general convex…

Number Theory · Mathematics 2017-10-02 Fernando Chamizo , Carlos Pastor

This work studies the Fourier transform of the characteristic function of planar convex bodies averaged over affine transformations. We establish lower and upper bounds on the latter quantities in terms of the geometric properties of the…

Number Theory · Mathematics 2025-07-02 Thomas Beretti

Let B denote a three-dimensional body of rotation, with respect to one coordinate axis, whose boundary is sufficiently smooth and of bounded nonzero Gaussian curvature throughout, except for the two boundary points on the axis of rotation,…

Number Theory · Mathematics 2015-06-26 W. G. Nowak

We show the existence of a limiting distribution $\cD_\cC$ of the adequately normalized discrepancy function of a random translation on a torus relative to a strictly convex set $\cC$. Using a correspondence between the small divisors in…

Dynamical Systems · Mathematics 2013-08-02 Dmitry Dolgopyat , Bassam Fayad

In a well-known paper by Bruna, Nagel and Wainger [BNW], Fourier transform decay estimates were proved for smooth hypersurfaces of finite line type bounding a convex domain. In this paper, we generalize their results in the following ways.…

Classical Analysis and ODEs · Mathematics 2024-10-01 Michael Greenblatt

We study the error of the number of points of a unimodular lattice that fall in a strictly convex and analytic set having the origin and that is dilated by a factor $t$. The aim is to generalize the result of a previous article. We first…

Probability · Mathematics 2022-11-08 Julien Trevisan

The deviation of a general convex body with twice differentiable boundary and an arbitrarily positioned polytope with a given number of vertices is studied. The paper considers the case where the deviation is measured in terms of the…

Metric Geometry · Mathematics 2018-11-13 Julian Grote , Christoph Thaele , Elisabeth M. Werner

A variant of the flatness problem from integer programming is studied, in which one considers convex bodies in $\mathbb{R}^d$ with at most $k$ interior lattice points. The maximum lattice width of such a body is denoted by Flt(d,k) and it…

Metric Geometry · Mathematics 2026-05-01 Gennadiy Averkov , Giulia Codenotti , Ansgar Freyer , Kyle Huang

For $1<p\le 2$, we establish sharp inequalities for the Fourier transform of the characteristic function of the $l^p$-unit ball $B_p\subset\mathbb{R}^2$. We show that $$ \sup_{\boldsymbol{\omega} \in \mathbb{R}^2} \|\boldsymbol{\omega}…

Classical Analysis and ODEs · Mathematics 2026-03-23 Martin Lind

We study upper bounds on the number of lattice points for convex bodies having their centroid at the origin. For the family of simplices as well as in the planar case we obtain best possible results. For arbitrary convex bodies we provide…

Metric Geometry · Mathematics 2015-05-26 Sören Lennart Berg , Martin Henk

An effective estimate for the lattice point discrepancy of ellipsoids of rotation. This paper provides an explicit bound, with numerical constants, for the lattice point discrepancy (= number of integer points minus volume) of an ellipsoid…

Number Theory · Mathematics 2007-05-23 E. Krätzel , W. G. Nowak
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