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math.AT2022
Commutative homotopical algebra embeds into non-commutative homotopical algebra
Ricardo Campos, Dan Petersen, Daniel Robert-Nicoud +1
Over a field of characteristic zero, we show that the forgetful functor from the homotopy category of commutative dg algebras to the homotopy category of dg associative algebras is…
math.AT2021
A remark on singular cohomology and sheaf cohomology
Dan Petersen
We prove a comparison isomorphism between singular cohomology and sheaf cohomology.
math.AT2018
Cohomology of generalized configuration spaces
Dan Petersen
Let be a topological space. We consider certain generalized configuration spaces of points on , obtained from the cartesian product by removing some intersections of d…