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Nori Motives of Curves With Modulus and Laumon 1-motives

Published online by Cambridge University Press:  20 November 2018

Florian Ivorra  and
Takao Yamazaki
Florian Ivorra
Affiliation:
Institut de recherche mathématique de Rennes, UMR 6625 du CNRS, Université de Rennes 1, Campus de Beaulieu, 35042 Rennes cedex (France) email: florian.ivorra@univ-rennes1.fr
Takao Yamazaki
Affiliation:
Institute of mathematics, Tohoku University, Aoba, Sendaï, 980-8578 (Japan) email: ytakao@math.tohoku.ac.jp
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Abstract

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Let $k$ be a number field. We describe the category of Laumon 1-isomotives over $k$ as the universal category in the sense of M. Nori associated with a quiver representation built out of smooth proper $k$ -curves with two disjoint effective divisors and a notion of $H_{\text{dR}}^{1}$ for such “curves with modulus”. This result extends and relies on a theorem of J. Ayoub and L. Barbieri-Viale that describes Deligne's category of 1-isomotives in terms of Nori's Abelian category of motives.

Keywords

19E1516G2014F42motivecurve with modulusquiver representation

Information

Type
Research Article
Information
Canadian Journal of Mathematics , Volume 70 , Issue 4 , 01 August 2018 , pp. 868 - 897
Copyright
Copyright © Canadian Mathematical Society 2018

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