Geodesic
Derived universal Massey products
Homology, homotopy, and applications, Tome 25 (2023) no. 1, pp. 189-218.

Voir la notice de l'article provenant de la source International Press of Boston

We define an obstruction to the formality of a differential graded algebra over a graded operad defined over a commutative ground ring. This obstruction lives in the derived operadic cohomology of the algebra. Moreover, it determines all operadic Massey products induced on the homology algebra, hence the name of derived universal Massey product.
DOI : 10.4310/HHA.2023.v25.n1.a10
Classification : 13D03, 16E40, 17B56, 55S20
Keywords: operad, algebra, cohomology, formality, minimal model, resolution 
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Fernando Muro. Derived universal Massey products. Homology, homotopy, and applications, Tome 25 (2023) no. 1, pp. 189-218. doi : 10.4310/HHA.2023.v25.n1.a10. http://geodesic.mathdoc.fr/articles/10.4310/HHA.2023.v25.n1.a10/

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