Comodules for some simple \mathcal O-forms of \mathbb G_m

2008/08/29 by N. E. Csima, Csima, N. E., Robert Kottwitz +2
Mathematics · #14L17 #16W30 #Advanced Algebra and Geometry #Algebraic Geometry (math.AG) #Algebraic Geometry and Number Theory #Algebraic structures and combinatorial models #FOS: Mathematics #math.AG #msc:14L17 #msc:16W30

paper · pdf · doi:10.48550/arxiv.0809.0019

9 pages

arxiv created 2008/08/29 · openalex publication_date 2008/08/29 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

This paper gives a rather concrete description of the category Rep(G) for certain flat commutative affine group schemes G over a discrete valuation ring such that the general fiber of G is the multiplicative group.

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