Formal groups arising from algebraic varieties
M. Artin, B. Mazur (1977)
Annales scientifiques de l'École Normale Supérieure
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M. Artin, B. Mazur (1977)
Annales scientifiques de l'École Normale Supérieure
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Arthur Ogus (1975)
Annales scientifiques de l'École Normale Supérieure
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Frauke M. Bleher, Ted Chinburg (2005)
Annales de l'institut Fourier
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In this paper we generalize the deformation theory of representations of a profinite group developed by Schlessinger and Mazur to deformations of objects of the derived category of bounded complexes of pseudocompact modules for such a group. We show that such objects have versal deformations under certain natural conditions, and we find a sufficient condition for these versal deformations to be universal. Moreover, we consider applications to deforming Galois cohomology classes and the...
Amnon Yekutieli (1995)
Compositio Mathematica
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O. Gabber, A. Joseph (1981)
Annales scientifiques de l'École Normale Supérieure
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