Modules over motivic cohomology

• Autores: Oliver Röndigs, Paul Arne Ostvaer
• Localización: Advances in mathematics, ISSN 0001-8708, Vol. 219, Nº 2, 2008, págs. 689-727
• Idioma: inglés
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• Resumen

  • Abstract For fields of characteristic zero, we show that the homotopy category of modules over the motivic ring spectrum representing motivic cohomology is equivalent to Voevodsky's big category of motives. The proof makes use of some highly structured models for motivic stable homotopy theory, motivic Spanier�Whitehead duality, the homotopy theories of motivic functors and of motivic spaces with transfers as introduced from ground up in this paper. Working with rational coefficients, we extend the equivalence for fields of characteristic zero to all perfect fields by employing the techniques of alterations and homotopy purity in motivic homotopy theory.