${\mathcal {D}}$-modules arithmétiques. I. Opérateurs différentiels de niveau fini
${\mathcal {D}}$-modules arithmétiques. I. Opérateurs différentiels de niveau fini
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DOI:
10.24033/asens.1739
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发表时间:
1996
影响因子:
1.9
通讯作者:
P. Berthelot
中科院分区:
文献类型:
--
作者:
P. Berthelot
Let p be a prime number, S a Z(p)-scheme, X -^ S a smooth morphism of schemes. Using a weaker form of thé classical notion of divided powers on an idéal, we construct on X an inductive System of sheaves of differential operators P^ , which are locally generated by divided powers of dérivations up to order p^, and therefore hâve better finiteness than thé usual sheaf of differential operators. On a smooth p-adic formai scheme X, we aiso introduce thé p-adic completion T>^ of V^ , and thé sheaf T>\ = lim^n T>^ . We prove that thé sheaves "D^ and T>^ g = T) ̂ 0 Q are cohérent, and that theorems A and B hold for cohérent modules on thèse rings. Finally, we construct analogous sheaves of differential operators with overconvergent singularities along a divisor, and show that overconvergent isocrystals can be viewed as cohérent modules over thèse rings.