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We develop a Hodge theoretic invariant for families of projective manifolds that measures the potential failure of an Arakelov-type inequality in higher dimensions, one that naturally generalizes the classical Arakelov inequality over…

Algebraic Geometry · Mathematics 2022-10-12 Sándor J Kovács , Behrouz Taji

We give a proof of generalizations of the classical Arakelov inequality valid for the degree $d$ of the relative canoincal bundle of a family of curves of genus $g$ over a complete curve of genus $p$ under the assumption that the monodromy…

Algebraic Geometry · Mathematics 2007-05-23 Chris Peters

We prove a Hilbert-Samuel type result of arithmetic big line bundles in Arakelov geometry, which is an analogue of a classical theorem of Siu. An application of this result gives equidistribution of small points over algebraic dynamical…

Number Theory · Mathematics 2012-01-12 Xinyi Yuan

We give two kinds of generalizations of Arakelov type inequalities for higher dimensional families. These results give higher dimensional generalizations (in both fibers and bases) of the weakly boundedness in Par\v{s}in-Arakelov's…

Algebraic Geometry · Mathematics 2023-02-22 Junchao Shentu

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 study the $\mathbb{C}^*$-fixed points in moduli spaces of Higgs bundles over a compact Riemann surface for a complex semisimple Lie group and its real forms. These fixed points are called Hodge bundles and correspond to…

Algebraic Geometry · Mathematics 2021-02-08 Olivier Biquard , Brian Collier , Oscar Garcia-Prada , Domingo Toledo

We establish, in the setting of Arakelov geometry over adelic curves, an arithmetic Hilbert-Samuel theorem describing the asymptotic behaviour of the metrized graded linear series of an adelic line bundle in terms of its arithmetic…

Algebraic Geometry · Mathematics 2022-07-06 Huayi Chen , Atsushi Moriwaki

Looking at the finite \'etale congruence covers $X(p)$ of a complex algebraic variety $X$ equipped with a variation of integral polarized Hodge structures whose period map is quasi-finite, we show that both the minimal gonality among all…

Algebraic Geometry · Mathematics 2020-07-28 Yohan Brunebarbe

The relative proportionality principle of Hirzebruch and H\"ofer was discovered in the case of compactified ball quotient surfaces X when studying curves C in X. It can be expressed as an inequality which attains equality precisely when C…

Algebraic Geometry · Mathematics 2008-01-21 S. Müller-Stach , E. Viehweg , K. Zuo

We analyse topological orbifold conformal field theories on the symmetric product of a complex surface M. By exploiting the mathematics literature we show that a canonical quotient of the operator ring has structure constants given by…

High Energy Physics - Theory · Physics 2020-12-02 Songyuan Li , Jan Troost

In this paper, we extend Deligne's functorial Riemann-Roch isomorphism for hermitian holomorphic line bundles on Riemann surfaces to the case of flat, not necessarily unitary connections. The Quillen metric and star-product of Gillet-Soule…

Differential Geometry · Mathematics 2016-03-22 Gerard Freixas i Montplet , Richard A. Wentworth

Let Y be a non-singular projective manifold with an ample canonical sheaf, and let V be a rational variation of Hodge structures of weight one on Y with Higgs bundle E(1,0) + E(0,1), coming from a family of Abelian varieties. If Y is a…

Algebraic Geometry · Mathematics 2007-05-23 Eckart Viehweg , Kang Zuo

We determine the structure of the Hodge ring, a natural object encoding the Hodge numbers of all compact Kaehler manifolds. As a consequence of this structure, there are no unexpected relations among the Hodge numbers, and no essential…

Algebraic Geometry · Mathematics 2019-02-20 D. Kotschick , S. Schreieder

The main purpose of this survey is to provide an introduction, algebro-topological in nature, to Hirzebuch-type inequalities for plane curve arrangements in the complex projective plane. These inequalities gain more and more interest due to…

Combinatorics · Mathematics 2021-01-18 Piotr Pokora

We give a new proof the arithmetic Hilbert-Samuel theorem by using classical reductions in the theory of coherent sheaves, a direct proof in the case of the projective space and the conservation of some numerical invariants, called…

Algebraic Geometry · Mathematics 2022-07-13 Dorian Ni

We prove a geometric criterion on a $\SL$-invariant ergodic probability measure on the moduli space of holomorphic abelian differentials on Riemann surfaces for the non-uniform hyperbolicity of the Kontsevich--Zorich cocycle on the real…

Dynamical Systems · Mathematics 2011-03-25 Giovanni Forni

This is the second of a series of papers dealing with an analog in Arakelov geometry of the holomorphic Lefschetz fixed point formula. We use the main result of the first paper to prove a residue formula "`a la Bott" for arithmetic…

Algebraic Geometry · Mathematics 2009-11-07 Kai Koehler , Damian Roessler

We give an algebro-geometric construction of the Hitchin connection, valid also in positive characteristic (with a few exceptions). A key ingredient is a substitute for the Narasimhan-Atiyah-Bott K\"ahler form that realizes the Chern class…

Algebraic Geometry · Mathematics 2023-03-24 Thomas Baier , Michele Bolognesi , Johan Martens , Christian Pauly

The Hodge numerical invariants of a variation of Hodge structure over a smooth quas--projective variety are a measure of complexity for the global twisting of the limit mixed Hodge structure when it degenerates. These invariants appear in…

Algebraic Geometry · Mathematics 2020-12-16 Mohammad Reza Rahmati

An elementary result in point-set topology is used, with knowledge of the mod $2$ cohomology of real projective spaces, to establish classical results of Lebesgue and Knaster-Kuratowski-Mazurkiewicz, as well as the topological central point…

Algebraic Topology · Mathematics 2024-03-28 M. C. Crabb
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