4.6 Article

Special precovering classes in comma categories

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Summary: For each recollement of triangulated categories, there is a correspondence between the middle category and the comma category through an epivalence with a triangle functor. In the case of a morphic enhancement of a triangulated category T, there are three explicit ideals in the enhancing category, whose factor categories are equivalent to the module category over T. Various examples related to inflation categories and weighted projective lines are also discussed.

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