GIT quotients of products of projective planes
Glatte Einbettungen von G-U .
Glicci versus Glicog.
Gluing Cohen-Macaulay modules with applications to quasihomogeneous complete intersections with isolated singularities.
Good properties of algebras of invariants and defect of linear representations.
Gorenstein liaison of some curves in P4.
Despite the recent advances made in Gorenstein liaison, there are still many open questions for the theory in codimension ≥ 3. In particular we consider the following question: given two curves in Pn with isomorphic deficiency modules (up to shift), can they be evenly Gorenstein linked? The answer for this is yes for curves in P3, due to Rao, but for higher codimension the answer is not known. This paper will look at large classes of curves in P4 with isomorphic deficiency modules and show that...
Gorenstein points in .
Gorenstein Rings and Modules with High Numbers of Generators.
Graded Betti numbers of some embedded rational n-folds.
Graph theoretic techniques in algebraic geometry II: construction of singular complex surfaces of the rational cohomology type of CP2.
Gröbner bases and Stanley decompositions of determinantal rings.
Gröbner bases of certain determinantal ideals.
Groenstein curves and symmetry of the semigroup of values.
Group law on the intersection of two quadrics
Groupe de Brauer non ramifié d’espaces homogènes de tores
Soient un corps et une -variété projective et lisse. Si est géométriquement rationnelle, on dispose d’une application injective du quotient de groupes de Brauer dans le premier groupe de cohomologie galoisienne du réseau défini par le groupe de Picard géométrique de . Dans cette note on donne des cas où cette application est toujours surjective. Pour les espaces homogènes de certains tores algébriques, on donne des générateurs explicites dans . On applique cela à l’étude du principe de...
Groupes linéaires sur le corps de fonctions de courbes réelles.
Hardy-Littlewood varieties and semisimple groups.
H*(C/B,L) for G of semi-simple rank 2
Hecke operators on quasimaps into horospherical varieties.
Heights of varieties in multiprojective spaces and arithmetic Nullstellensätze
We present bounds for the degree and the height of the polynomials arising in some problems in effective algebraic geometry including the implicitization of rational maps and the effective Nullstellensatz over a variety. Our treatment is based on arithmetic intersection theory in products of projective spaces and extends to the arithmetic setting constructions and results due to Jelonek. A key role is played by the notion of canonical mixed height of a multiprojective variety. We study this notion...