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math.CT2020★ 21 cited
-Structures with Grothendieck hearts via functor categories
Manuel Saorín, Jan Šťovíček
We study when the heart of a t-structure in a triangulated category with coproducts is AB5 or a Grothendieck category. If satisfies Brown representabili…
math.RT2020
The HRS tilting process and Grothendieck hearts of t-structures
Carlos E. Parra, Manuel Saorín
In this paper we revisit the problem of determining when the heart of a t-structure is a Grothendieck category, with special attention to the case of the Happel-Reiten-Smalø (HSR)…