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The divisor class group of the surface $$\exp(p^ n\cdot \log Z)=G(X,Y)$$ over fields of characteristic $$p>0$$. (English) Zbl 0528.14017

MSC:
 14J25 Special surfaces 14C22 Picard groups 13F99 Arithmetic rings and other special commutative rings 13D99 Homological methods in commutative ring theory 14M05 Varieties defined by ring conditions (factorial, Cohen-Macaulay, seminormal) 14C20 Divisors, linear systems, invertible sheaves 13B10 Morphisms of commutative rings
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References:
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