nLab enhanced factorisation system

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Definition

An enhanced factorisation system on a 2-category is an orthogonal factorisation system on a 2-category such that, for any invertible 2-cell α:tems\alpha : t e \Rightarrow m s

there is a unique pair of a 1-cell r:BCr : B \to C and invertible 2-cell β:tmr\beta : t \Rightarrow m r such that re=sr e = s and βe=α\beta e = \alpha.

References

Enhanced factorisation systems were defined in

attributed to Max Kelly.

Last revised on July 19, 2024 at 11:38:51. See the history of this page for a list of all contributions to it.