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In this paper we prove transference inequalities for regular and uniform Diophantine exponents in the weighted setting. Our results generalize the corresponding inequalities that exist in the `non-weighted' case.

Number Theory · Mathematics 2019-11-04 Oleg N. German

In Diophantine approximation, inhomogeneous problems are linked with homogeneous ones by means of the so-called Transference Theorems. We revisit this classical topic by introducing new exponents of Diophantine approximation. We prove that…

Number Theory · Mathematics 2007-05-23 Yann Bugeaud , Michel Laurent

Khintchine's and Dyson's transference theorems can be very easily deduced from Mahler's transference theorem. In the multiplicative setting an obstacle appears, which does not allow deducing the multiplicative transference theorem…

Number Theory · Mathematics 2023-01-05 Oleg N. German

In this paper we prove an inequality for individual and uniform Diophantine exponents in the case of simultaneous approximation. This inequality is better than Jarnik's for small values of the uniform exponent.

Number Theory · Mathematics 2010-09-07 Oleg N. German

We survey classical and recent results on exponents of Diophantine approximation. We give only a few proofs and highlight several open problems.

Number Theory · Mathematics 2015-02-11 Yann Bugeaud

Diophantine exponents are ones of the simplest quantitative characteristics responsible for the approximation properties of linear subspaces of a Euclidean space. This survey is aimed at describing the current state of the area of…

Number Theory · Mathematics 2023-08-03 Oleg N. German

We extend the Khintchine transference inequalities, as well as a homogeneous-inhomogeneous transference inequality for lattices, due to Bugeaud and Laurent, to a weighted setting. We also provide applications to inhomogeneous Diophantine…

Number Theory · Mathematics 2019-03-28 Sam Chow , Anish Ghosh , Lifan Guan , Antoine Marnat , David Simmons

We obtain some new inequalities between the ordinary and the uniform Diophantine exponents for simultaneous Diophantine approximation to four real numbers.

Number Theory · Mathematics 2013-10-01 Dmitry Gayfulin , Nikolay Moshchevitin

In this paper we develop a metric theory of inhomogeneous Diophantine approximation for the case of a fixed matrix. We use transference principle to connect uniform Diophantine properties of a pair $(\Theta, \pmb{\eta})$ of a matrix and a…

Number Theory · Mathematics 2025-11-18 Nikolay Moshchevitin , Vasiliy Neckrasov

Let $\Theta$ be a point in ${\bf R}^n$. We split the classical Khintchine's Transference Principle into $n-1$ intermediate estimates which connect exponents $\omega_d(\Theta)$ measuring the sharpness of the approximation to $\Theta$ by…

Number Theory · Mathematics 2007-05-23 Michel Laurent

In this paper we define Diophantine exponents of lattices and investigate some of their properties. We prove transference inequalities and construct some examples with the help of Schmidt's subspace theorem.

Number Theory · Mathematics 2016-06-01 Oleg N. German

We prove a strong simultaneous Diophantine approximation theorem for values of additive and multiplicative functions provided that the functions have certain regularity on the primes.

Number Theory · Mathematics 2009-06-18 Emre Alkan , Kevin Ford , Alexandru Zaharescu

We provide an extension of the transference results of Beresnevich and Velani connecting homogeneous and inhomogeneous Diophantine approximation on manifolds and provide bounds for inhomogeneous Diophantine exponents of affine subspaces and…

Number Theory · Mathematics 2019-04-10 Anish Ghosh , Antoine Marnat

We refine Khintchine Transference Principle which relates the measure of simultaneous rational approximation of an $n$ real numbers with the measure of linear independence of these $n$ numbers. Khintchine's inequalities are known to be…

Number Theory · Mathematics 2008-11-14 Y. Bugeaud , M. Laurent

We study multiplicative Diophantine approximation property of vectors and compute Diophantine exponents of hyperplanes via dynamics.

Number Theory · Mathematics 2008-09-03 Yuqing Zhang

We study some problems in metric Diophantine approximation over local fields of positive characteristic.

Number Theory · Mathematics 2018-12-19 Arijit Ganguly , Anish Ghosh

We discuss the problem of finding optimal exponents in Diophantine estimates involving one real number and, in some cases where such an exponent is known, present some properties of the corresponding extremal numbers.

Number Theory · Mathematics 2007-05-23 Damien Roy

For a real $m\times n$ matrix $\pmb{\xi}$, we consider its sequence of best Diophantine approximation vectors $ \pmb{x}_i \in \mathbb{Z}^n, \, i =1,2,3, ... $, the sequences of its norms $X_i = \|\pmb{x}_i\|$ and the norms of remainders…

Number Theory · Mathematics 2026-02-04 Antoine Marnat , Nikolay Moshchevitin , Johannes Schleischitz

The paper is mostly a survey on recent results in Diophantine approximation, with emphasis on properties of exponents measuring various notions of Diophantine <approximation.

Number Theory · Mathematics 2007-05-23 Yann Bugeaud , Michel Laurent

We aim to fill a gap in the proof of an inequality relating two exponents of uniform Diophantine approximation stated in a paper by Bugeaud. We succeed to verify the inequality in several instances, in particular for small dimension.…

Number Theory · Mathematics 2024-12-11 Johannes Schleischitz
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