Non-formality of the Swiss-Cheese operad
arXiv:1404.2484 · doi:10.1112/jtopol/jtv018
Abstract
In this note, we prove that the Swiss-cheese operad is not formal. We also give a criteria in terms of Massey operadic product for the non-formality of a topological operad.
10 pages, 4 figures. The section containing Massey operadic product has been modified. Accepted version for publication by the Journal of Topology