On affine morphisms of Hopf algebroids
Geoffrey M.L. Powell
Source: Homology Homotopy Appl. Volume 10, Number 1
(2008), 53-95.
Abstract
The paper considers the FPQC stacks which are associated to affine groupoid schemes. Using a formulation of a descent datum in terms of morphisms of affine groupoid schemes, explicit arguments are given which avoid appeal to the general principle of faithfully flat descent. This theory is applied to consider the notion of affine morphism.
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Links and Identifiers
Permanent link to this document: http://projecteuclid.org/euclid.hha/1201127514
Mathematical Reviews number (MathSciNet): MR2369023
Zentralblatt MATH identifier: 1129.14002
Homology, Homotopy and Applications
