International audienceFor a smooth complex projective variety, the rank of the Néron-Severi group is bounded by the Hodge number h^{1,1}. Varieties with rk NS = h^{1,1} have interesting properties, but are rather sparse, particularly in dimension 2. We discuss in this note a number of examples, in particular those constructed from curves with special Jacobians
Why we called the class of two-dimensional Shimura varieties, which are not Hilbert modular, "Picard...
The purpose of this thesis is to study the geometry of some famous stacks of curves by presenting th...
7 pages, Comments welcomeInternational audienceWe study a surface discovered by Stover which is the ...
International audienceFor a smooth complex projective variety, the rank of the Néron-Severi group is...
AbstractWe consider families of complex algebraic surfaces for which we have a good knowledge of the...
Abstract We study the geometry of a class of n-dimensional smooth projective varieties constructed ...
Given a closed subvariety X in a projective space, the rank with respect to X of a point p in this p...
We study maximal families W of the Hilbert scheme, H(d, g)sc, of smooth connected space curves whose...
This paper deals with the problem of finding the compact genus three Riemann Surface such that the m...
In this paper, we extend the well-known theorem of Lopez concerning the Picard group of the general ...
14 pages, comments welcomeInternational audienceWe discuss some aspects of the behavior of specializ...
We will give a criterion to assure that an extremal contraction of a K3 surface which is not a Mori ...
We discuss approaches to computing in the Shafarevich-Tate group of Jacobians of higher genus curves...
We prove that the rational Picard group of the simple Hurwitz spaceHd,g is trivial for d up to five....
International audienceIn this note we provide explicit generators of the Picard groups of cyclic Bra...
Why we called the class of two-dimensional Shimura varieties, which are not Hilbert modular, "Picard...
The purpose of this thesis is to study the geometry of some famous stacks of curves by presenting th...
7 pages, Comments welcomeInternational audienceWe study a surface discovered by Stover which is the ...
International audienceFor a smooth complex projective variety, the rank of the Néron-Severi group is...
AbstractWe consider families of complex algebraic surfaces for which we have a good knowledge of the...
Abstract We study the geometry of a class of n-dimensional smooth projective varieties constructed ...
Given a closed subvariety X in a projective space, the rank with respect to X of a point p in this p...
We study maximal families W of the Hilbert scheme, H(d, g)sc, of smooth connected space curves whose...
This paper deals with the problem of finding the compact genus three Riemann Surface such that the m...
In this paper, we extend the well-known theorem of Lopez concerning the Picard group of the general ...
14 pages, comments welcomeInternational audienceWe discuss some aspects of the behavior of specializ...
We will give a criterion to assure that an extremal contraction of a K3 surface which is not a Mori ...
We discuss approaches to computing in the Shafarevich-Tate group of Jacobians of higher genus curves...
We prove that the rational Picard group of the simple Hurwitz spaceHd,g is trivial for d up to five....
International audienceIn this note we provide explicit generators of the Picard groups of cyclic Bra...
Why we called the class of two-dimensional Shimura varieties, which are not Hilbert modular, "Picard...
The purpose of this thesis is to study the geometry of some famous stacks of curves by presenting th...
7 pages, Comments welcomeInternational audienceWe study a surface discovered by Stover which is the ...
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