{ "id": "1401.1928", "version": "v3", "published": "2014-01-09T08:50:34.000Z", "updated": "2015-09-17T14:07:07.000Z", "title": "Geometric construction of generators of CoHA of doubled quiver", "authors": [ "Zongbin Chen" ], "comment": "8 pages, published version on Comptes Rendus", "categories": [ "math.AG" ], "abstract": "Let $Q$ be the doubled of a quiver. According to Efimov, Kontsevich and Soibelman, the cohomological Hall algebra (CoHA) associated to $Q$ is a free super-commutative algebra. In this short note, we confirm a conjecture of Hausel which gives a geometric realisation of the generators of the CoHA.", "revisions": [ { "version": "v2", "updated": "2014-01-17T13:45:25.000Z", "comment": "6 pages, minor changes, remove the misusage of the word \"finite quiver\"", "journal": null, "doi": null }, { "version": "v3", "updated": "2015-09-17T14:07:07.000Z" } ], "analyses": { "keywords": [ "geometric construction", "doubled quiver", "generators", "geometric realisation", "free super-commutative algebra" ], "note": { "typesetting": "TeX", "pages": 8, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2014arXiv1401.1928C" } } }