A Splitting of the Frobenius Morphism on the Whole Algebra of Distributions of SL2

被引:5
|
作者
Gros, Michel [1 ]
机构
[1] Univ Rennes 1, IRMAR, CNRS, UMR 6625, F-35042 Rennes, France
关键词
Frobenius splitting; Algebra of distributions; LOCALIZATION; MODULES;
D O I
10.1007/s10468-010-9234-6
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We define, over k = F-p, a splitting of the Frobenius morphism Fr : Dist (G) -> Dist (G) on the whole Dist (G), the algebra of distributions of the k-algebraic group G := SL2. This splitting is compatible (and lifts) the theory of Frobenius descent for arithmetic D- modules over X := P-k(1).
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页码:109 / 118
页数:10
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