Classes de Hirzebruch et classes de Chern motiviques |
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Authors: | Jean-Paul Brasselet Jörg Schürmann Shoji Yokura |
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Affiliation: | 1. IML, case 907, Luminy, 13288 Marseille cedex 9, France;2. Westf. Wilhelms-Universität, SFB 478 “Geometrische Strukturen in der Mathematik”, Hittorfstr. 27, 48149 Münster, Allemagne;3. Department of Mathematics and Computer Science, Faculty of Science, University of Kagoshima, 21-35 Korimoto 1-chome, Kagoshima 890-0065, Japon |
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Abstract: | Let X be a complex algebraic variety. We define and study new theories of characteristic classes, defined on the relative Grothendieck group of complex algebraic varieties over X as introduced and studied by Looijenga and Bittner in relation to motivic integration. One of them, is a homology class version of the motivic measure and generalizes the corresponding Hirzebruch characteristic. It unifies the Chern class transformation of Schwartz and MacPherson, the Todd class transformation of Baum–Fulton–MacPherson and the L-class transformation of Cappell–Shaneson. To cite this article: J.-P. Brasselet et al., C. R. Acad. Sci. Paris, Ser. I 342 (2006). |
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