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We prove the Relative Manin-Mumford Conjecture for families of abelian varieties in characteristic 0. We follow the Pila-Zannier method to study special point problems, and we use the Betti map which goes back to work of Masser and Zannier…

数论 · 数学 2023-10-10 Ziyang Gao , Philipp Habegger

A common practice in arithmetic geometry is that of generalizing rational points on projective varieties to integral points on quasi-projective varieties. Following this practice, we demonstrate an analogue of a result of L. Caporaso, J.…

alg-geom · 数学 2008-02-03 Dan Abramovich

We prove a conjecture of Lehmann-Tanimoto about the behaviour of the Fujita invariant (or $a$-constant appearing in Manin's conjecture) under pull-back to generically finite covers. As a consequence we obtain results about geometric…

代数几何 · 数学 2021-11-10 Akash Kumar Sengupta

We prove Manin's conjecture for a singular cubic surface S with a singularity of type E6. If U is the open subset of S obtained by deleting the unique line from S, then the number of rational points in U with anticanonical height bounded by…

数论 · 数学 2007-05-23 Ulrich Derenthal

We prove asymptotics for semi-integral points of bounded height on toric varieties. We verify the Manin-type conjecture of Pieropan, Smeets, Tanimoto and V\'arilly-Alvarado for smooth and certain singular toric orbifolds upon replacing the…

数论 · 数学 2024-10-04 Alec Shute , Sam Streeter

We prove several classification results for the components of the moduli space of rational curves on a smooth Fano threefold. In particular, we prove a conjecture of Batyrev on the growth of the number of components as the degree increases.…

代数几何 · 数学 2022-07-12 Roya Beheshti , Brian Lehmann , Eric Riedl , Sho Tanimoto

Manin's conjecture predicts an asymptotic formula for the number of rational points of bounded height on a smooth projective variety in terms of its global geometric invariants. The strongest form of the conjecture implies certain…

代数几何 · 数学 2013-07-23 Brendan Hassett , Sho Tanimoto , Yuri Tschinkel

We propose a formulation of the relative Bogomolov conjecture and show that it gives an affirmative answer to a question of Mazur's concerning the uniformity of the Mordell-Lang conjecture for curves. In particular we show that the relative…

数论 · 数学 2021-06-03 Vesselin Dimitrov , Ziyang Gao , Philipp Habegger

Using the formalism of Cox rings and universal torsors, we prove a decomposition of the Grothendieck motive of the moduli space of morphisms from an arbitrary smooth projective curve to a Mori Dream Space (MDS). For the simplest cases of…

代数几何 · 数学 2025-02-18 Loïs Faisant

We describe the irreducible components of the moduli spaces of rational curves on Artin-Mumford double solids. This provides the first example of Fano varieties that satisfy Geometric Manin's Conjecture with multiple Manin components in…

代数几何 · 数学 2025-01-17 Fumiya Okamura

Split toric stacks over a number field $F$ are natural generalization of split toric varieties over $F$. Notable examples are weighted projective stacks. In our previous work, we defined heights on Deligne-Mumford stacks using so-called…

数论 · 数学 2023-11-06 Ratko Darda , Takehiko Yasuda

We study the spaces of rational curves on Fano threefolds with Gorenstein terminal singularities. We generalize the results regarding Geometric Manin's Conjecture for smooth Fano threefolds, including the classification of subvarieties with…

代数几何 · 数学 2025-05-23 Fumiya Okamura

We outline a proof of a remarkable conjecture of Labastida-Mari{\~n}o-Ooguri-Vafa about certain new algebraic structures of quantum link invariants and the integrality of infinite family of new topological invariants. Our method is based on…

几何拓扑 · 数学 2010-12-14 Kefeng Liu , Pan Peng

We prove the Dynamical Bogomolov Conjecture for endomorphisms of P^1\times P^1 defined over a number field. We use the equidistribution theorem for points of small height with respect to an algebraic dynamical system, combined with a…

数论 · 数学 2016-09-23 Dragos Ghioca , Khoa D. Nguyen , Hexi Ye

We prove the dynamical Manin-Mumford conjecture for regular polynomial maps of A^2 and irreducible curves avoiding super-attracting orbits at infinity, over any field of characteristic 0.

动力系统 · 数学 2023-12-29 Romain Dujardin , Charles Favre , Matteo Ruggiero

Vojta's Conjectures are well known to imply a wide range of results, known and unknown, in arithmetic geometry. In this paper, we add to the list by proving that they imply that rational points tend to repel each other on algebraic…

数论 · 数学 2014-02-26 David McKinnon

We study local-global principles for two notions of semi-integral points, termed Campana points and Darmon points. In particular, we develop a semi-integral version of the Brauer-Manin obstruction interpolating between Manin's classical…

数论 · 数学 2025-11-07 Vladimir Mitankin , Masahiro Nakahara , Sam Streeter

In this paper, combining the works of Miyanishi-Tsunoda and Keel-McKernan, we prove the log Castelnuovo's rationality criterion for smooth quasiprojective surfaces over complex numbers.

代数几何 · 数学 2017-01-13 Yi Zhu

We prove Manin's conjecture concerning the distribution of rational points of bounded height, and its refinement by Peyre, for wonderful compactifications of semi-simple algebraic groups over number fields. The proof proceeds via the study…

数论 · 数学 2015-06-26 Joseph A. Shalika , Ramin Takloo-Bighash , Yuri Tschinkel

Inspired by a paper of Salberger we give a new proof of Manin's conjecture for toric varieties over imaginary quadratic number fields by means of universal torsor parameterizations and elementary lattice point counting.

数论 · 数学 2016-01-19 Marta Pieropan