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math.CT2017
Properties of abelian categories via recollements
Carlos E. Parra, Jorge Vitória
A recollement is a decomposition of a given category (abelian or triangulated) into two subcategories with functorial data that enables the glueing of structural information. This…
math.RT2017
Silting and cosilting classes in derived categories
Frederik Marks, Jorge Vitória
An important result in tilting theory states that a class of modules over a ring is a tilting class if and only if it is the Ext-orthogonal class to a set of compact modules of bou…