The affine part of the Picard scheme

2007/04/04 by Thomas Geisser, Geisser, T.
Mathematics · #14C22 #14F20 #14K30 #Advanced Algebra and Geometry #Algebraic Geometry (math.AG) #Algebraic Geometry and Number Theory #FOS: Mathematics #K-Theory and Homology (math.KT) #Meromorphic and Entire Functions

paper · pdf · doi:10.48550/arxiv.0704.0479

openalex publication_date 2007/04/04 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We describe the maximal torus and maximal unipotent subgroup of the Picard variety of a proper scheme over a perfect field.

Related

• Which algebraic groups are Picard varieties?
• Notes on a p-adic exponential map for the Picard group
• The Picard group of M_1,1
• Picard Groups Of Algebraic Groups And An Affineness Criterion
• Picard Groups of Some Quot Schemes