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Canvis d'univers en categories localment presentables

, 2017
[en] After looking over the difficulties to give an adequate ground to the Theory of Categories, we give a presentation of the basic concepts of this theory from a proposal of definitions that will be useful for dealing with the changes of universe rigorously. In this way, once fixed the set-theoretic framework where we will be moving, we will define a
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Locally finitely presented Grothendieck categories with a flat generator

A problem raised by Cuadra and Simson in 2007 asks whether a locally finitely presented Grothendieck category with enough flat objects has enough projective objects. We prove that the categories involved in the statement are precisely the locally finitely presented Grothendieck categories with exact product functors.
Martini, Lorenzo +3 more
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Higher Algebraic K-Theory of Causality. [PDF]

Entropy (Basel)
Mahadevan S.
europepmc +1 more source

Day centres for older people - attender characteristics, access routes and outcomes of regular attendance: findings of exploratory mixed methods case study research. [PDF]