Seminario MALGA Padova Verona - Moduli Algebre Anelli: “Very flat modules and sheaves”

Lunedì 5 Dicembre 2016, ore 15:00 - Aula 2BC30 - Sergio Estrada


Lunedì 5 Dicembre 2016 alle ore 15:00 in Aula 2BC30, Sergio Estrada (Universidad de Murcia) terrà un seminario dal titolo “Very flat modules and sheaves”, nell'ambito del Seminario Padova-Verona MALGA - Moduli Algebre Anelli.

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.