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We give a sharp polynomial bound on the number of Pollicott-Ruelle resonances. These resonances, which are complex numbers in the lower half-plane, appear in expansions of correlations for Anosov contact flows. The bounds follow the…

Spectral Theory · Mathematics 2019-02-20 Kiril Datchev , Semyon Dyatlov , Maciej Zworski

Let $\mathcal{O}_K$ be the ring of integers of an algebraic number field $K$ embedded into $\mathbb{C}$. Let $X$ be a subset of the Euclidean space $\mathbb{R}^d$, and $D(X)$ be the set of the squared distances of two distinct points in…

Metric Geometry · Mathematics 2023-05-09 Hiroshi Nozaki

We obtain a non--trivial upper bound for the multiplicative energy of any sufficiently large subset of a subvariety of a finite algebraic group. We also find some applications of our results to growth of conjugates classes, estimates of…

Combinatorics · Mathematics 2021-01-26 Ilya D. Shkredov

Wooley ({\em J. Number Theory}, 1996) gave an elementary proof of a Bezout like theorem allowing one to count the number of isolated integer roots of a system of polynomial equations modulo some prime power. In this article, we adapt the…

Number Theory · Mathematics 2021-02-02 Mitali Bafna , Madhu Sudan , Santhoshini Velusamy , David Xiang

We establish effective bounds on the number of periodic points of degree-$d$ polynomials $\phi$ defined over $p$-adic fields and number fields, under a mild reduction hypothesis that is satisfied by all unicritical polynomials $X^d + c$…

Number Theory · Mathematics 2025-10-31 Isaac Rajagopal , Robin Zhang

This note aims at finding explicit and efficient generation of ideals in subalgebras $R$ of the polynomial ring $S=k[t]$ ($k$ a field) such that $t^{c_0}S \subseteq R$ for some integer $c_0 > 0$. The class of these subalgebras which we call…

Commutative Algebra · Mathematics 2019-04-29 Naoki Endo , Shiro Goto , Naoyuki Matsuoka , Yuki Yamamoto

Assuming Lang's conjectured lower bound on the heights of non-torsion points on an elliptic curve, we show that there exists an absolute constant C such that for any elliptic curve E/Q and non-torsion point P in E(Q), there is at most one…

Number Theory · Mathematics 2015-02-06 Katherine E. Stange

The ring of integer-valued polynomials on an arbitrary integral domain is well-studied. In this paper we initiate and provide motivation for the study of integer-valued polynomials on commutative rings and modules. Several examples are…

Commutative Algebra · Mathematics 2016-08-02 Jesse Elliott

We study multiplicative dependence of points in semigroup orbits in higher dimensions. More specifically, we show that the non-density of integral points in semigroup orbits implies sparsity of multiplicative dependence in orbits. This can…

Number Theory · Mathematics 2026-04-07 Jorge Mello , Yu Yasufuku

Inspired by the work of Bourgain and Garaev (2013), we provide new bounds for certain weighted bilinear Kloosterman sums in polynomial rings over a finite field. As an application, we build upon and extend some results of Sawin and…

Number Theory · Mathematics 2026-01-28 Christian Bagshaw

We present counting methods for some special classes of multivariate polynomials over a finite field, namely the reducible ones, the s-powerful ones (divisible by the s-th power of a nonconstant polynomial), and the relatively irreducible…

Commutative Algebra · Mathematics 2013-11-12 Joachim von zur Gathen , Alfredo Viola , Konstantin Ziegler

Over a number field $K$, a celebrated result of Silverman states that if $\varphi(z)\in K(z)$ is a rational function whose second iterate is not a polynomial, the set of $S$-integral points in the orbit…

Number Theory · Mathematics 2017-10-11 Wade Hindes

We establish doubly-exponential degree bounds for Gr\"obner bases in certain algebras of solvable type over a field (as introduced by Kandri-Rody and Weispfenning). The class of algebras considered here includes commutative polynomial…

Commutative Algebra · Mathematics 2008-11-19 Matthias Aschenbrenner , Anton Leykin

This work formalizes efficient Fast Fourier-based multiplication algorithms for polynomials in quotient rings such as $\mathbb{Z}_{m}[x]/\left<x^{n}-a\right>$, with $n$ a power of 2 and $m$ a non necessarily prime integer. We also present a…

Discrete Mathematics · Computer Science 2023-04-19 Ramiro Martínez , Paz Morillo

We prove an asymptotic formula for the number of fixed rank matrices with integer coefficients over a number field K/Q and bounded norm. As an application, we derive an approximate Rogers integral formula for discrete sets of module…

Number Theory · Mathematics 2025-10-14 Nihar Gargava , Vlad Serban , Maryna Viazovska , Ilaria Viglino

We introduce an S.o.S hierarchy of lower bounds for a polynomial optimization problem whose constraint is expressed as a matrix polynomial semidefinite inequality. Our approach involves utilizing a penalty function framework to directly…

Optimization and Control · Mathematics 2025-10-20 Hoang Anh Tran , Kim-Chuan Toh

We consider semigroup dynamical systems defined by several polynomials over a number field $\mathbb{K}$, and the orbit (tree) they generate at a given point. We obtain finiteness results for the set of preperiodic points of such systems…

Number Theory · Mathematics 2019-08-15 Alina Ostafe , Marley Young

We continue our study of integral points on moduli schemes by combining the method of Faltings (Arakelov, Parsin, Szpiro) with modularity results and Masser-W\"ustholz isogeny estimates. In this work we explicitly bound the height and the…

Number Theory · Mathematics 2023-07-14 Rafael von Kanel , Arno Kret

In the paper we give an upper bound for the Waldschmidt constants of the wide class of ideals. This generalizes the result obtained by Dumnicki, Harbourne, Szemberg and Tutaj-Gasinska, Adv. Math. 2014. Our bound is given by a root of a…

Algebraic Geometry · Mathematics 2017-06-29 Marcin Dumnicki , Lucja Farnik , Halszka Tutaj-Gasinska

In this paper we prove parts of a conjecture of Herzog giving lower bounds on the rank of the free modules appearing in the linear strand of a graded $k$-th syzygy module over the polynomial ring. If in addition the module is…

Commutative Algebra · Mathematics 2021-05-18 Tim Roemer
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