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Positivity of Hodge bundles of abelian varieties over some function fields

期刊: COMPOSITIO MATHEMATICA, 2021; 157 (9)

The main result of this paper concerns the positivity of the Hodge bundles of abelian varieties over global function fields. As applications, we obtai......

Successive minima and asymptotic slopes in Arakelov geometry

期刊: COMPOSITIO MATHEMATICA, 2021; 157 (6)

Let X be a normal and geometrically integral projective variety over a global field K and let (D) over bar be an adelic R-Cartier divisor on X. We pro......

Computing a categorical Gromov-Witten invariant

期刊: COMPOSITIO MATHEMATICA, 2020; 156 (7)

We compute the g = 1, n = 1 B-model Gromov-Witten invariant of an elliptic curve E directly from the derived category D-coh(b) (E). More precisely, we......

Arithmetic purity of strong approximation for semi-simple simply connected groups

期刊: COMPOSITIO MATHEMATICA, 2020; 156 (12)

In this article we establish the arithmetic purity of strong approximation for certain semisimple simply connected linear algebraic groups and their h......

Hausdorff dimension of divergent trajectories on homogeneous spaces

期刊: COMPOSITIO MATHEMATICA, 2020; 156 (2)

For a one-parameter subgroup action on a finite-volume homogeneous space, we consider the set of points admitting divergent-on-average trajectories. W......

Sup-norms of eigenfunctions in the level aspect for compact arithmetic surfaces, II: newforms and subconvexity

期刊: COMPOSITIO MATHEMATICA, 2020; 156 (11)

We improve upon the local bound in the depth aspect for sup-norms of newforms on D-x, where D is an indefinite quaternion division algebra over Q. Our......

A partial converse to the Andreotti-Grauert theorem

期刊: COMPOSITIO MATHEMATICA, 2019; 155 (1)

Let X be a smooth projective manifold with dim(C) X = n. We show that if a line bundle L is (n - 1)-ample, then it is (n - 1)-positive. This is a part......

JIF:1.3

On local stabilities of p-Kahler structures

期刊: COMPOSITIO MATHEMATICA, 2019; 155 (3)

By use of a natural extension map and a power series method, we obtain a local stability theorem for p-Kahler structures with the (p, p + 1)th mild pa......

JIF:1.3

The genus-one global mirror theorem for the quintic 3-fold

期刊: COMPOSITIO MATHEMATICA, 2019; 155 (5)

We prove the genus-one restriction of the all-genus Landau-Ginzburg/Calabi-Yau conjecture of Chiodo and Ruan, stated in terms of the geometric quantiz......

JIF:1.3

Robinson's conjecture on heights of characters

期刊: COMPOSITIO MATHEMATICA, 2019; 155 (6)

Geo ff rey Robinson conjectured in 1996 that the p - part of character degrees in a p - block of a fi nite group can be bounded in terms of the center......

JIF:1.3

Compatible systems and ramification

期刊: COMPOSITIO MATHEMATICA, 2019; 155 (12)

We show that compatible systems of l-adic sheaves on a scheme of finite type over the ring of integers of a local field are compatible along the bound......

JIF:1.3

Zariski closures of images of algebraic subsets under the uniformization map on finite-volume quotients of the complex unit ball

期刊: COMPOSITIO MATHEMATICA, 2019; 155 (11)

We prove the analogue of the Ax-Lindemann-Weierstrass theorem for not necessarily arithmetic lattices of the automorphism group of the complex unit ba......

JIF:1.3

Counting fundamental solutions to the Pell equation with prescribed size

期刊: COMPOSITIO MATHEMATICA, 2018; 154 (11)

The cardinality of the set of D <= x for which the fundamental solution of the Pell equation t(2) - Du(2) = 1 is less than D1/2+alpha with alpha ep......

JIF:1.3

Virtual 1-domination of 3-manifolds

期刊: COMPOSITIO MATHEMATICA, 2018; 154 (3)

It is shown in this paper that given any closed oriented hyperbolic 3-manifold, every closed oriented 3-manifold is mapped onto by a finite cover of t......

JIF:1.3

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