Abstract
Following Grothendieck’s treatment [FGA], we introduce the relative Picard functor PicX/S and treat the notion of the rigidified relative Picard functor. The main purpose of this chapter is the presentation of various results on the representability of PicX/S. We explain Grothendieck’s theorem on the representability of PicX/S by a scheme and point out improvements due to Mumford [2] as well as those due to Altman and Kleiman [1]. In Section 8.3, we discuss the main steps of M. Artin’s approach [5] to the representability of PicX/S by an algebraic space; for details, the reader is referred to his paper. At the end of the chapter, there is a collection of some results on smoothness as well as on finiteness properties of PicX/S, as can be found in [SGA 6].
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© 1990 Springer-Verlag Berlin Heidelberg
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Bosch, S., Lütkebohmert, W., Raynaud, M. (1990). The Picard Functor. In: Néron Models. Ergebnisse der Mathematik und ihrer Grenzgebiete, vol 21. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-51438-8_9
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DOI: https://doi.org/10.1007/978-3-642-51438-8_9
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-08073-9
Online ISBN: 978-3-642-51438-8
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