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Let $E\subset [0,1)^{d}$ be a set supporting a probability measure $\mu$ with Fourier decay $|\widehat{\mu}({\bf{t}})|\ll (\log |{\bf{t}}|)^{-s}$ for some constant $s>d+1.$ Consider a sequence of expanding integral matrices…

Number Theory · Mathematics 2025-05-01 Bo Tan , Qing-Long Zhou

We solve the convergence case of the generalized Baker-Schmidt problem for simultaneous approximation on affine subspaces, under natural diophantine type conditions. In one of our theorems, we do not require monotonicity on the…

Number Theory · Mathematics 2020-01-08 Jing-Jing Huang , Jason J. Liu

Let $Y_{1}, \ldots, Y_{q}$ be closed subschemes which are located in $\ell$-subgeneral position with index $\kappa$ in a complex projective variety $X$ of dimension $n.$ Let $A$ be an ample Cartier divisor on $X.$ We obtain that if a…

Algebraic Geometry · Mathematics 2023-12-27 Liang Wang , Tingbin Cao , Hongzhe Cao

In 2002, Evertse and Schlickewei obtained a quantitative version of the so-called Absolute Parametric Subspace Theorem. This result deals with a parametrized class of twisted heights. One of the consequences of this result is a quantitative…

Number Theory · Mathematics 2023-09-19 Jan-Hendrik Evertse , Roberto G. Ferretti

The Subspace Theorem is a powerful tool in number theory. It has appeared in various forms and been adapted and improved over time. It's applications include diophantine approximation, results about integral points on algebraic curves and…

Combinatorics · Mathematics 2013-11-18 Ryan Schwartz , Jozsef Solymosi

Schmidt generalized in 1967 the theory of classical Diophantine approximation to subspaces of $\R^n$. We consider Diophantine exponents for linear subspaces of $\R^n$ which generalize the irrationality measure for real numbers. Using…

Number Theory · Mathematics 2024-06-28 Gaétan Guillot

The goal of this PhD thesis is to study a diophantine approximation problem stated by Schmidt in 1967. The problem aim to study the approximation of a subspace of $\mathbb{R}^n$ by rational subspaces, not necessarily of the same dimension,…

Number Theory · Mathematics 2021-06-07 Elio Joseph

As a consequence of our recently established generalized Schmidt's subspace theorem for closed subschemes in general position, we prove a degeneracy theorem for integral points on the complement of a union of nef effective divisors. A novel…

Number Theory · Mathematics 2020-06-23 Gordon Heier , Aaron Levin

In this paper we further develop a Grassmannian technique used to prove results about very general hypersurfaces and present three applications. First, we provide a short proof of the Kobayashi Conjecture given previous results on the…

Algebraic Geometry · Mathematics 2018-06-08 Eric Riedl , David Yang

This PhD thesis elaborates on a problem raised by Schmidt in 1967. We study Diophantine exponents for subspaces, which generalize the irrationality measure for real numbers. We construct subspaces with prescribed exponents and demonstrate…

Number Theory · Mathematics 2024-06-25 Gaétan Guillot

We present a generalized Lyapunov Schmidt reduction scheme for diffeomorphisms living on a finite dimensional real vector space V which transform under real one dimensional characters of an arbitrary compact group with linear action V.…

K-Theory and Homology · Mathematics 2007-05-23 Maria Cristina Ciocci , Johan Noldus

In the present note we prove a conjecture of Demailly for finite sets of sufficiently many very general points in projective spaces. This gives a lower bound on Waldschmidt constants of such sets. Waldschmidt constants are asymptotic…

Algebraic Geometry · Mathematics 2017-01-19 Grzegorz Malara , Tomasz Szemberg , Justyna Szpond

We elaborate on a problem raised by Schmidt in 1967 which generalizes the theory of classical Diophantine approximation to subspaces of $\R^n$. We consider Diophantine exponents for linear subspaces of $\R^n$ which generalize the…

Number Theory · Mathematics 2025-09-10 Gaétan Guillot

This paper follows the generalisation of the classical theory of Diophantine approximation to subspaces of $\mathbb{R}^n$ established by W. M. Schmidt in 1967. Let $A$ and $B$ be two subspaces of $\mathbb{R}^n$ of respective dimensions $d$…

Number Theory · Mathematics 2021-06-09 Elio Joseph

Our goal is to give Schmidt's subspace theorem for moving hypersurface targets in subgeneral position in projective varieties.

Number Theory · Mathematics 2017-06-21 Giang Le

We derive results on the distribution of directions of saddle connections on translation surfaces using only the Birkhoff ergodic theorem applied to the geodesic flow on the moduli space of translation surfaces. Our techniques, together…

Dynamical Systems · Mathematics 2016-05-16 Jayadev Athreya , Andrew Parrish , Jimmy Tseng

We apply Schmidt's Subspace Theorem to establish Arithmetic General Theorems for projective varieties over number and function fields. Our first result extends an analogous result of M. Ru and P. Vojta. One aspect to its proof makes use of…

Algebraic Geometry · Mathematics 2018-09-05 Nathan Grieve

We prove an analogue in higher dimensions of the classical Narasimhan-Seshadri theorem for strongly stable vector bundles of degree 0 on a smooth projective variety $X$ with a fixed ample line bundle $\Theta$. As applications, over fields…

Algebraic Geometry · Mathematics 2014-02-26 V. Balaji , A. J. Parameswaran

We prove new quantitative Schmidt-type theorem for Diophantine approximations with restraint denominators on fractals (more precisely, on $M_0$-sets). Our theorems introduce a sharp balance condition between the growth rate of the sequence…

Number Theory · Mathematics 2024-01-18 Volodymyr Pavlenkov , Evgeniy Zorin

In this paper, by introducing the notion of "\textit{distributive constant}" of a family of hypersurfaces with respect to a projective variety, we prove a second main theorem in Nevanlinna theory for meromorphic mappings with arbitrary…

Complex Variables · Mathematics 2022-08-03 Si Duc Quang