{ "id": "1909.12976", "version": "v1", "published": "2019-09-27T22:30:44.000Z", "updated": "2019-09-27T22:30:44.000Z", "title": "The Lusternik-Schnirelmann category of connected sum", "authors": [ "Alexander Dranishnikov", "Rustam Sadykov" ], "categories": [ "math.AT", "math.GT" ], "abstract": "We use the Berstein-Hilton invariant to prove the formula $\\cat(M_1\\sharp M_2)=\\max\\{\\cat M_1, \\cat M_2\\}$ for the Lustrnik-Schnirelmann category of the connected sum of closed manifolds $M_1$ and $M_2$.", "revisions": [ { "version": "v1", "updated": "2019-09-27T22:30:44.000Z" } ], "analyses": { "keywords": [ "connected sum", "lusternik-schnirelmann category", "lustrnik-schnirelmann category" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }