AbstractWe prove that every separated Artin stack of finite type over a noetherian base scheme admits a proper covering by a quasi-projective scheme. An application of this result is a version of the Grothendieck existence theorem for Artin stacks
We give criteria for certain morphisms from an algebraic stack to a (not necessarily algebraic) stac...
The paper proves a result on the existence of finite flat scheme covers of Deligne–Mumford stacks. T...
Proper ample monoids are described by means of a certain category acted upon on both sides by a canc...
AbstractWe prove that every separated Artin stack of finite type over a noetherian base scheme admit...
Abstract. In this paper we develop a theory of Grothendieck’s six operations of lisse-étale constru...
International audienceIn this paper we develop a theory of Grothendieck's six operations of lisse-ét...
This is a systematic study of the behaviour of finite coverings of (affine) schemes with regard to t...
The paper proves a result on the existence of finite flat scheme covers of Deligne-Mumford stacks. T...
latex2e with xypic, 42 pages, 1 figure, in FrenchWe define a category whose objects are finite etale...
Let X be a proper scheme over a field k which satisfies Serre’s condition S 2 and G ...
We prove finiteness results for sets of varieties over number fields with good reduction outside a g...
We prove that every algebraic stack, locally of finite type over an algebraically closed field with ...
AbstractLet Y be an irreducible, noetherian, separated scheme over an algebraically closed field k. ...
AbstractA general existence theorem for flat covers in (e.g., quasi-abelian) locally finitely presen...
Stacks were introduced by Grothendieck to provide a general framework for studying local-global phen...
We give criteria for certain morphisms from an algebraic stack to a (not necessarily algebraic) stac...
The paper proves a result on the existence of finite flat scheme covers of Deligne–Mumford stacks. T...
Proper ample monoids are described by means of a certain category acted upon on both sides by a canc...
AbstractWe prove that every separated Artin stack of finite type over a noetherian base scheme admit...
Abstract. In this paper we develop a theory of Grothendieck’s six operations of lisse-étale constru...
International audienceIn this paper we develop a theory of Grothendieck's six operations of lisse-ét...
This is a systematic study of the behaviour of finite coverings of (affine) schemes with regard to t...
The paper proves a result on the existence of finite flat scheme covers of Deligne-Mumford stacks. T...
latex2e with xypic, 42 pages, 1 figure, in FrenchWe define a category whose objects are finite etale...
Let X be a proper scheme over a field k which satisfies Serre’s condition S 2 and G ...
We prove finiteness results for sets of varieties over number fields with good reduction outside a g...
We prove that every algebraic stack, locally of finite type over an algebraically closed field with ...
AbstractLet Y be an irreducible, noetherian, separated scheme over an algebraically closed field k. ...
AbstractA general existence theorem for flat covers in (e.g., quasi-abelian) locally finitely presen...
Stacks were introduced by Grothendieck to provide a general framework for studying local-global phen...
We give criteria for certain morphisms from an algebraic stack to a (not necessarily algebraic) stac...
The paper proves a result on the existence of finite flat scheme covers of Deligne–Mumford stacks. T...
Proper ample monoids are described by means of a certain category acted upon on both sides by a canc...
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