3 papers
math.AT2021
A remark on singular cohomology and sheaf cohomology
Dan Petersen
We prove a comparison isomorphism between singular cohomology and sheaf cohomology.
math.QA2019
A closer look at Kadeishvili's theorem
Dan Petersen
We give a proof of the Homotopy Transfer Theorem following Kadeishvili's original strategy. Although Kadeishvili originally restricted himself to transferring a dg algebra structur…
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…