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Very flat and contra-adjusted modules

Ponente: Sergio Estrada
Institución: Universidad de Murcia, España
Tipo de Evento: Investigación
Cuándo 10/02/2017
de 16:00 a 18:00
Dónde Salón 1 de seminarios
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Abstract:  Very flat and contraadjusted modules naturally arise in Algebraic Geometry.  They were defined by Positselski
[arXiv:1209.2995]. We will summarize the main properties of these modules and of the corresponding class of sheaves.
We will define a mock homotopy category of projectives on a quasi-compact and semi-separated scheme by using very flat quasi-coherent sheaves and show the existence of a recollement among the different homotopy categories involved.