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In this paper, we show that the arithmetic volume function defined on the space of pairs of adelic R-Cartier divisors and base conditions is differentiable at a big pair, and that its derivative is given by an arithmetic restricted positive…

Algebraic Geometry · Mathematics 2022-03-24 Hideaki Ikoma

We introduce the volume function for hermitian invertible sheaves on an arithmetic variety as an analogue of the geometric volume function. The main result of this paper is the continuity of the arithmetic volume function. As a consequence,…

Number Theory · Mathematics 2007-05-23 Atsushi Moriwaki

This paper is the sequel of the paper "Continuity of volumes on arithmetic varieties", in which we established the arithmetic volume function of smooth hermitian Q-invertible sheaves and proved its continuity. The continuity of the volume…

Algebraic Geometry · Mathematics 2008-09-09 Atsushi Moriwaki

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

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

Given an ample line bundle $L$ on a geometrically reduced projective scheme defined over an arbitrary non-Archimedean field, we establish a differentiability property for the relative volume of two continuous metrics on the Berkovich…

Algebraic Geometry · Mathematics 2020-04-09 Sébastien Boucksom , Walter Gubler , Florent Martin

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 the setting of Arakelov geometry over adelic curves, we introduce the $\chi$-volume function and show some general properties. This article is dedicated to talk about the continuity of $\chi$-volume function. By discussing its…

Algebraic Geometry · Mathematics 2020-09-21 Wenbin Luo

By some result on the study of arithemtic over trivially valued field, we find its applications to Arakelov geometry over adelic curves. We prove a partial result of the continuity of arithmetic $\chi$-volume along semiample divisors.…

Algebraic Geometry · Mathematics 2020-09-21 Wenbin Luo

This paper proves the volume of the arithmetic Okounkov body, constructed from a hermitian line bundle on an arithmetic variety by the author in a previous paper, is equal to the the volume of the hermitian line bundle up to a simple…

Number Theory · Mathematics 2012-01-12 Xinyi Yuan

Differentiability of geometric and arithmetic volumes of Hermitian line-bundles leads to the proof of equidistribution results on projective varieties using the variational principle. In this article, we work in the setting of adelic…

Number Theory · Mathematics 2024-03-27 Debam Biswas

We introduce an adelic Cartier divisor over a trivially valued field and discuss the bigness of it. For bigness, we give the integral representation of the arithmetic volume and prove the existence of limit of it. Moreover, we show that the…

Algebraic Geometry · Mathematics 2019-05-15 Tomoya Ohnishi

In this note, we study the differentiability of the arithmetic volumes along arithmetic R-divisors, and give some equality conditions for the Brunn-Minkowski inequality for arithmetic volumes over the cone of nef and big arithmetic…

Algebraic Geometry · Mathematics 2014-08-15 Hideaki Ikoma

By using the $\mathbb R$-filtration approach of Arakelov geometry, one establishes explicit upper bounds for geometric and arithmetic Hilbert-Samuel function for line bundles on projective varieties and hermitian line bundles on arithmetic…

Algebraic Geometry · Mathematics 2014-01-30 Huayi Chen

In this paper, we introduce positivity notions for pairs of adelic R-Cartier divisors and R-base conditions, and study fundamental properties of the arithmetic volumes defined for such pairs. We show that the Gateaux derivatives of the…

Algebraic Geometry · Mathematics 2017-02-21 Hideaki Ikoma

We give an algebraic construction of the positive products of pseudo-effective classes first introduced by Boucksom, Demailly, Paun and Peternell, and use them to prove that the volume function on the Neron-Severi space of a projective…

Algebraic Geometry · Mathematics 2007-09-04 Sebastien Boucksom , Charles Favre , Mattias Jonsson

The volume of a Cartier divisor is an asymptotic invariant, which measures the rate of growth of sections of powers of the divisor. It extends to a continuous, homogeneous, and log-concave function on the whole N\'eron--Severi space, thus…

Algebraic Geometry · Mathematics 2012-10-02 Alex Kuronya , Victor Lozovanu , Catriona Maclean

In this article, we generalize several fundamental results for arithmetic divisors, such as the continuity of the volume function, the generalized Hodge index theorem, Fujita's approximation theorem for arithmetic divisors and Zariski…

Algebraic Geometry · Mathematics 2013-03-19 Atsushi Moriwaki

We study the semistability of the tensor product of hermitian vector bundles by using the $\varepsilon$-tensor product and the geometric (semi)stability of vector subspaces in the tensor product of two vector spaces.

Number Theory · Mathematics 2012-03-02 Jean-Benoît Bost , Huayi Chen

We consider heights of horizontal irreducible divisors on an arithmetic surface with respect to some hermitian line bundle. We obtain both lower and upper bounds for these heights. The results are different and sometimes stronger that those…

Algebraic Geometry · Mathematics 2007-05-23 C. Soule
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