A universal isomorphism for p-typical fo
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Michiel Hazewinkel
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Article
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1976
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Elsevier Science
β 259 KB
We construct an abstract isomorphism ofp-typical formal groups which is universal for isomorphisms of p-typical formal groups over Z(p)-algebraa or characteristic zero rings. Associated to this universal isomorphism is a homomorphism of rings Z[Vl, vz, . . . I + Z[Vl, Va, . . . . 2'1, Ta, . ..I whic