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Over a non-archimedean local place, the height of a projective variety with respect to a very ample line bundle equipped with a Fubini-Study metric is related to the naive height of its Chow form. Using a non-Archimedean Kempf-Ness…

Algebraic Geometry · Mathematics 2022-12-06 Yanbo Fang

We count the number of critical points of a modular form with real Fourier coefficients in a $\gamma$-translate of the standard fundamental domain $\mathcal{F}$ (with $\gamma\in \mathrm{SL}_2(\mathbb{Z})$). Whereas by the valence formula…

Number Theory · Mathematics 2024-07-16 Jan-Willem van Ittersum , Berend Ringeling

The concept of depth has proved very important for multivariate and functional data analysis, as it essentially acts as a surrogate for the notion a ranking of observations which is absent in more than one dimension. Motivated by the rapid…

Methodology · Statistics 2021-07-30 Gery Geenens , Alicia Nieto-Reyes , Giacomo Francisci

Call and Silverman introduced the canonical height associated to a polarized dynamical system, that is, an endomorphism of a projective variety and an ample line bundle which pulls back to a tensor power of itself. They also presented an…

Number Theory · Mathematics 2021-04-28 Patrick Ingram

A holomorphy potential is a complex valued function whose complex gradient, with respect to some K\"ahler metric, is a holomorphic vector field. Given $k$ holomorphic vector fields on a compact complex manifold, form, for a given K\"ahler…

Differential Geometry · Mathematics 2011-06-14 Gideon Maschler

We develop a strategy for bounding from above the height of rational points of modular curves with values in number fields, by functions which are polynomial in the curve's level. Our main technical tools come from effective Arakelov…

Number Theory · Mathematics 2019-01-17 Pierre Parent , with an Appendix by Pascal Autissier

Let $X$ be a smooth projective variety over $ \overline{\mathbb Q}$, and $f:X -rightarrow X$ be a dominant rational map. Let $\delta_{f}$ be the first dynamical degree of $f$ and $h_{X}:X( \overline{\mathbb Q})\to [1,\infty)$ be a Weil…

Algebraic Geometry · Mathematics 2018-02-12 Yohsuke Matsuzawa

To each weakly holomorphic modular function $f\not \equiv 0$ for $\mathrm{SL}(2,\mathbb{Z})$, which is non-negative on the geodesic arc $\{e^{it} : \pi/3\leq t\leq 2\pi/3\}$, we attach a $\mathrm{GL}(2,\mathbb{Z})$-invariant map…

Number Theory · Mathematics 2025-03-21 Paloma Bengoechea , Sebastián Herrero , Özlem Imamoglu

We characterize all fields of definition for a given coherent sheaf over a projective scheme in terms of projective modules over a finite-dimensional endomorphism algebra. This yields general results on the essential dimension of such…

Algebraic Geometry · Mathematics 2014-12-03 Indranil Biswas , Ajneet Dhillon , Norbert Hoffmann

The main emphasis will be on height upper bounds in the algebraic torus G^{n}_{m}. By height we will mean the absolute logarithmic Weil height. Section 3.2 contains a precise definition of this and other more general height functions. The…

Number Theory · Mathematics 2012-01-17 Philipp Habegger

Let $k$ be a number field. We consider norm form equations associated to a full $O_k$-module contained in a finite extension field $l$. It is known that the set of solutions is naturally a union of disjoint equivalence classes of solutions.…

Number Theory · Mathematics 2018-02-20 Shabnam Akhtari , Jeffrey D. Vaaler

In an article published in 1993, P. Colmez formulated a remarkable conjecture, which asserts that the Faltings height of a CM abelian variety can be computed as a linear combination of logarithmic derivatives of Artin $L$-functions. Noting…

Number Theory · Mathematics 2026-03-31 Vincent Maillot , Damian Rössler

We give a mathematical structure on an arithmetic surface, that has algebraic meanings over finite places and can estimate the canonical norm for a relative differential form on the arithmetic surface. This will give a lower bound for the…

Algebraic Geometry · Mathematics 2015-08-10 Yuhan Zha

We derive an explicit zero-free region for symmetric square L-functions of elliptic curves, and use this to derive an explicit lower bound for the modular degree of rational elliptic curves. The techniques are similar to those used in the…

Number Theory · Mathematics 2007-05-23 Mark Watkins

We define a new canonical height pairing on the rational points of elliptic curves over global function fields which takes values in the multiplicative group of a completion of the function field. This height serves as an analogue of both…

Number Theory · Mathematics 2007-05-23 Matthew A. Papanikolas

We compare and contrast various notions of the "critical locus" of a complex analytic function on a singular space. After choosing a topological variant as our primary notion of the critical locus, we justify our choice by generalizing L\^e…

Algebraic Geometry · Mathematics 2007-05-23 David B. Massey

We introduce a new class of adelic heights on the projective line. We estimate their essential minimum and prove a result of equidistribution (at every place) for points of small height with estimates on the speed of convergence. To each…

Number Theory · Mathematics 2007-05-23 Charles Favre , Juan Rivera-Letelier

The purpose of this semi-expository article is to give another proof of a classical theorem of Shimura on the critical values of the standard L-function attached to a Hilbert modular form. Our proof is along the lines of previous work of…

Number Theory · Mathematics 2011-02-10 A. Raghuram , Naomi Tanabe

Utilizing the discrete homotopy methods developed for uniform spaces by Berestovskii-Plaut, we define the critical spectrum Cr(X) of a metric space, generalizing to the non-geodesic case the covering spectrum defined by Sormani-Wei and the…

Metric Geometry · Mathematics 2013-09-16 Jim Conant , Victoria Curnutte , Corey Jones , Conrad Plaut , Kristen Pueschel , Maria Walpole , Jay Wilkins

In this paper, we give a uniform upper bound on the rational points of bounded height provided by conics in a cubic surface. For this target, we give a generalized version of the global determinant method of Salberger by Arakelov geometry.

Algebraic Geometry · Mathematics 2026-01-19 Chunhui Liu
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