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Représentations de de Rham et normes universelles

Laurent Berger (2005)

Bulletin de la Société Mathématique de France

On calcule le module des normes universelles pour une représentation p -adique de de Rham. Le calcul utilise la théorie des ( ϕ , Γ ) -modules (la formule de réciprocité de Cherbonnier-Colmez) et l’équation différentielle associée à une représentation de de Rham.

Rigidity of projective conjugacy for quasiperiodic flows of Koch type

Lennard F. Bakker (2008)

Colloquium Mathematicae

For quasiperiodic flows of Koch type, we exploit an algebraic rigidity of an equivalence relation on flows, called projective conjugacy, to algebraically characterize the deviations from completeness of an absolute invariant of projective conjugacy, called the multiplier group, which describes the generalized symmetries of the flow. We then describe three ways by which two quasiperiodic flows with the same Koch field are projectively conjugate when their multiplier groups are identical. The first...

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