Results 101 to 110 of about 94,018 (202)

Kan Extensions are Partial Colimits. [PDF]

open access: yesAppl Categ Struct, 2022
Perrone P, Tholen W.
europepmc   +1 more source

On adjoint functors of the Heller operator

open access: yes, 2011
Given an abelian category A with enough projectives, we can form its stable category _A_ := A/Proj(A)$. The Heller operator Omega : _A_ -> _A_ is characterised on an object X by a choice of a short exact sequence Omega X -> P -> X in A with P projective. If A is Frobenius, then Omega is an equivalence, hence has a left and a right adjoint.
openaire   +2 more sources

Categorical Torelli theorems: results and open problems. [PDF]

open access: yesRend Circ Mat Palermo, 2023
Pertusi L, Stellari P.
europepmc   +1 more source

Axioms for the category of Hilbert spaces. [PDF]

open access: yesProc Natl Acad Sci U S A, 2022
Heunen C, Kornell A.
europepmc   +1 more source

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