Abstract
Now we will present a construction due to [Gabriel and Oberst]. Recall that a Grothendieck category is an abelian category with arbitrary coproducts, with exact direct limits and with a generator. Every Grothendieck category is a category with injective envelopes (see, for instance, [Popescu, Theorem 3.10.10]).
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Facchini, A. (2019). Spectral Category and Dual Construction. In: Semilocal Categories and Modules with Semilocal Endomorphism Rings. Progress in Mathematics, vol 331. Birkhäuser, Cham. https://doi.org/10.1007/978-3-030-23284-9_5
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DOI: https://doi.org/10.1007/978-3-030-23284-9_5
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