Cohomology and deformation theory of monoidal 2-categories I

Article, Preprint English OPEN
Elgueta, Josep;
(2002)

We define a cohomology for an arbitrary $K$-linear semistrict semigroupal 2-category $(\mathfrak{C},\otimes)$ (called in the paper a Gray semigroup) and show that its first order (unitary) deformations, up to the suitable notion of equivalence, are in one-one correspond... View more
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