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Related papers: Mahler's question for intrinsic Diophantine approx…

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In 1984, Kurt Mahler posed the following fundamental question: How well can irrationals in the Cantor set be approximated by rationals in the Cantor set? Towards development of such a theory, we prove a Dirichlet-type theorem for this…

Number Theory · Mathematics 2011-11-21 Ryan Broderick , Lior Fishman , Asaf Reich

Following K. Mahler's suggestion for further research on intrinsic approximation on the Cantor ternary set, we obtain a Dirichlet type theorem for the limit sets of rational iterated function systems. We further investigate the behavior of…

Number Theory · Mathematics 2017-05-17 Lior Fishman , David Simmons

Let $K$ denote the middle third Cantor set and ${\cal A}:= \{3^n : n = 0,1,2, >... \} $. Given a real, positive function $\psi$ let $ W_{\cal A}(\psi)$ denote the set of real numbers $x$ in the unit interval for which there exist infinitely…

Number Theory · Mathematics 2007-05-23 Jason Levesley , Cem Salp , Sanju Velani

Fix $d\in\mathbb N$, and let $S\subseteq\mathbb R^d$ be either a real-analytic manifold or the limit set of an iterated function system (for example, $S$ could be the Cantor set or the von Koch snowflake). An $extrinsic$ Diophantine…

Number Theory · Mathematics 2015-07-30 Lior Fishman , David Simmons

Intrinsic Diophantine approximation on fractals, such as the Cantor ternary set, was undoubtedly motivated by questions asked by K. Mahler (1984). One of the main goals of this paper is to develop and utilize the theory of infinite de…

Combinatorics · Mathematics 2016-10-18 Lior Fishman , Keith Merrill , David Simmons

Inspired by a problem proposed by Mahler, we will address the following related question, 'How well can irrationals in a missing digit set be approximated by rationals with polynomial denominators?' and prove some related results. To…

Number Theory · Mathematics 2025-12-11 James Wyatt

We establish various new results on a problem proposed by K. Mahler in 1984 concerning rational approximation to fractal sets by rational numbers inside and outside the set in question, respectively. Some of them provide a natural…

Number Theory · Mathematics 2021-07-01 Johannes Schleischitz

In this paper, we study the metric theory of dyadic approximation in the middle-third Cantor set. This theory complements earlier work of Levesley, Salp, and Velani (2007), who investigated the problem of approximation in the Cantor set by…

Number Theory · Mathematics 2020-05-20 Demi Allen , Sam Chow , Han Yu

Diophantine approximation is traditionally the study of how well real numbers are approximated by rationals. We propose a model for studying Diophantine approximation in an arbitrary totally bounded metric space where the rationals are…

Number Theory · Mathematics 2024-03-20 Jonathan M. Fraser , Henna Koivusalo , Felipe A. Ramirez

In this article, for a large class of rational self-similar IFS's wich contains the middle-third Cantor set, we compute the Hausdorff dimension of elements a self-similar set that are $\psi$-approximable by rational belonging to this set…

Number Theory · Mathematics 2026-03-16 Edouard Daviaud

This is the second paper in a series of two in which a global algebraic number theory of the reals is formulated with the purpose of providing a unified setting for algebraic and transcendental number theory. In this paper, to any real…

Number Theory · Mathematics 2016-03-30 T. M. Gendron

We first recall the connection, going back to A. Thue, between rational approximation to algebraic numbers and integer solutions of some Diophantine equations. Next we recall the equivalence between several finiteness results on various…

Number Theory · Mathematics 2013-12-30 Claude Levesque , Michel Waldschmidt

We investigate the question of how well points on a nondegenerate $k$-dimensional submanifold $M \subseteq \mathbb R^d$ can be approximated by rationals also lying on $M$, establishing an upper bound on the "intrinsic Dirichlet exponent"…

Number Theory · Mathematics 2018-01-23 Lior Fishman , Dmitry Kleinbock , Keith Merrill , David Simmons

The idea of using measure theoretic concepts to investigate the size of number theoretic sets, originating with E. Borel, has been used for nearly a century. It has led to the development of the theory of metrical Diophantine approximation,…

Number Theory · Mathematics 2008-03-18 Victor Beresnevich , Vasily Bernik , Maurice Dodson , Sanju Velani

We prove a number of results on the metric and non-metric theory of Diophantine approximation for Yu's multidimensional variant of Mahler's classification of transcendental numbers. Our results arise as applications of well known results in…

Number Theory · Mathematics 2016-06-21 Simon Kristensen , Steffen Højris Pedersen , Barak Weiss

We discuss Mahler's work on Diophantine approximation and its applications to Diophantine equations, in particular Thue-Mahler equations, S-unit equations and S-integral points on elliptic curves, and go into later developments concerning…

History and Overview · Mathematics 2023-09-19 Jan-Hendrik Evertse , Kálmán Győry , Cameron L. Stewart

We establish a new upper bound for the number of rationals up to a given height in a missing-digit set, making progress towards a conjecture of Broderick, Fishman, and Reich. This enables us to make novel progress towards another conjecture…

Number Theory · Mathematics 2026-01-21 Sam Chow , Péter P. Varjú , Han Yu

Diophantine approximation is the problem of approximating a real number by rational numbers. We propose a version of this in which the numerators are approximately related to the denominators by a Laurent polynomial. Our definition is…

Number Theory · Mathematics 2011-05-30 Eli Hawkins , Alan Haynes

In this paper we develop the convergence theory of simultaneous, inhomogeneous Diophantine approximation on manifolds. A consequence of our main result is that if the manifold $M \subset \mathbb{R}^n$ is of dimension strictly greater than…

Number Theory · Mathematics 2015-12-17 Victor Beresnevich , Robert C. Vaughan , Sanju Velani , Evgeniy Zorin

We consider the question of how well points in a quadric hypersurface $M\subset\mathbb R^d$ can be approximated by rational points of $\mathbb Q^d\cap M$. This contrasts with the more common setup of approximating points in a manifold by…

Number Theory · Mathematics 2021-01-14 Lior Fishman , Dmitry Kleinbock , Keith Merrill , David Simmons
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