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On the Cartier Duality of Certain Finite Group Schemes of order $p^n$, II. (arXiv:1210.3980v8 [math.AG] UPDATED)
来源于:arXiv
We explicitly describe the Cartier dual of the $l$-th Frobenius kernel $N_l$
of the deformation group scheme, which deforms the additive group scheme to the
multiplicative group scheme. Then the Cartier dual of $N_l$ is given by a
certain Frobenius type kernel of the Witt scheme. Here we assume that the base
ring $A$ is a $Z_{(p)}/(p^n)$-algebra, where $p$ is a prime number. The
obtained result generalizes a previous result by the author which assumes that
$A$ is a ring of characteristic $p$. 查看全文>>