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Related papers: Volumes of Arithmetic Okounkov Bodies

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For a hermitian line bundle over an arithmetic variety, we construct a convex continuous function on the Okounkov body associated to the generic fibre of the line bundle. The integration of the continuous function gives the growth of the…

Algebraic Geometry · Mathematics 2009-09-22 Xinyi Yuan

Up to a factor 1/n!, the volume of a big line bundle agrees with the Euclidean volume of its Okounkov body. The latter is the convex hull of top rank valuation vectors of sections, all with respect to a single flag. In this text we give a…

Algebraic Geometry · Mathematics 2019-03-12 Oliver Braunling

We show an arithmetic generalization of the recent work of Lazarsfeld-Mustata which uses Okounkov bodies to study linear series of line bundles. As applications, we derive a log-concavity inequality on volumes of arithmetic line bundles and…

Algebraic Geometry · Mathematics 2014-01-14 Xinyi Yuan

Let $X$ be a smooth projective toric variety over $Spec(Z)$. Let $\bar{\mathcal{O}(D)}$ be an equivariant hermitian line bundle on $X$, equipped with a positive metric and invariant under the action of the compact torus of $X(C)$, we…

Algebraic Geometry · Mathematics 2014-03-14 Mounir Hajli

We establish, for a generically big Hermitian line bundle, the convergence of truncated Harder-Narasimhan polygons and the uniform continuity of the limit. As applications, we prove a conjecture of Moriwaki asserting that the arithmetic…

Algebraic Geometry · Mathematics 2008-12-18 Huayi Chen

We introduce the positive intersection product in Arakelov geometry and prove that the arithmetic volume function is continuously differentiable. As applications, we compute the distribution function of the asymptotic measure of a Hermitian…

Algebraic Geometry · Mathematics 2014-02-26 Huayi Chen

We introduce a new arithmetic invariant for hermitian line bundles on an arithmetic variety. We use this invariant to measure the variation of the volume function with respect to the metric. The main result of this paper is a generalized…

Algebraic Geometry · Mathematics 2022-02-22 Mounir Hajli

In this paper, we collect some fundamental properties of the arithmetic restricted volumes (or the arithmetic multiplicities) of the adelically metrized line bundles. The arithmetic restricted volume has the concavity property and…

Algebraic Geometry · Mathematics 2016-07-19 Hideaki Ikoma

We prove that the covolume of any quasi-arithmetic hyperbolic lattice (a notion that generalizes the definition of arithmetic subgroups) is a rational multiple of the covolume of an arithmetic subgroup. As a corollary, we obtain a good…

Metric Geometry · Mathematics 2018-02-23 Vincent Emery

We generalize Kawamata's product formula for volumes of canonical divisors to arbitrary divisors using Okounkov bodies

Algebraic Geometry · Mathematics 2019-08-27 Sung Rak Choi , Seung-Jo Jung , Jinhyung Park , Joonyeong Won

In this paper we express any intersection number $(L_1\cdot\ldots\cdot L_d)$ of ample line bundles on an irreducible projective variety as the mixed volume $V(\Delta_{Y_\bullet}(L_1),\dots,\Delta_{Y_\bullet}(L_d))$ of their Newton-Okounkov…

Algebraic Geometry · Mathematics 2026-02-27 Robert Wilms

For every large enough $n$, we explicitly construct a body of constant width $2$ that has volume less than $0.9^n \text{Vol}(\mathbb{B}^{n}$), where $\mathbb{B}^{n}$ is the unit ball in $\mathbb{R}^{n}$. This answers a question of…

Metric Geometry · Mathematics 2025-03-21 Andrii Arman , Andriy Bondarenko , Fedor Nazarov , Andriy Prymak , Danylo Radchenko

We associate to a filtration of a graded linear series of a big line bundle a concave function on the Okounkov body whose law with respect to Lebesgue's measure describes the asymptotic distribution of the jumps of the filtration. As a…

Algebraic Geometry · Mathematics 2019-02-20 Sebastien Boucksom , Huayi Chen

Let $\mathscr{L} \rightarrow X$ be an ample line bundle over a nonsingular complex projective variety $X$. We construct an admissable flag $X_0 \subseteq X_1 \subseteq...\subseteq X_n=X$ of subvarieties for which the associated Okounkov…

Complex Variables · Mathematics 2012-06-07 Henrik Seppänen

Let $\mathcal{A}_g$ denote the moduli stack of principally polarized abelian varieties of dimension $g$. The arithmetic height, or arithmetic volume, of $\overline{\mathcal{A}}_g$, is defined to be the arithmetic degree of the metrized…

Algebraic Geometry · Mathematics 2022-05-25 Barbara Jung , Anna-Maria von Pippich

In this article, we study Newton-Okounkov bodies on projective vector bundles over curves. Inspired by Wolfe's estimates used to compute the volume function on these varieties, we compute all Newton-Okounkov bodies with respect to linear…

Algebraic Geometry · Mathematics 2018-10-16 Pedro Montero

We compute the arithmetic volumes of integral models of unitary Shimura curves. This establishes the base case of an inductive argument to compute the arithmetic volumes of unitary Shimura varieties of higher dimension, to appear in…

Number Theory · Mathematics 2022-06-23 Benjamin Howard

The purpose of this paper is to establish a subadditivity theorem of Okounkov bodies for algebraic fiber spaces. As applications, we obtain a product formula of the restricted canonical volumes for algebraic fiber spaces and a sufficient…

Algebraic Geometry · Mathematics 2021-11-03 Sung Rak Choi , Jinhyung Park

In his work on log-concavity of multiplicities, Okounkov showed in passing that one could associate a convex body to a linear series on a projective variety, and then use convex geometry to study such linear systems. Although Okounkov was…

Algebraic Geometry · Mathematics 2008-05-30 Robert Lazarsfeld , Mircea Mustata

The aim of this paper is to study the Okounkov bodies associated to abundant divisors. As a main result, we prove that the valuative Okounkov bodies of an abundant divisor encode all the numerical properties. We apply this result to recover…

Algebraic Geometry · Mathematics 2021-11-02 Sung Rak Choi , Jinhyung Park , Joonyeong Won
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