{ "id": "0911.2814", "version": "v3", "published": "2009-11-15T20:04:04.000Z", "updated": "2009-11-24T14:03:04.000Z", "title": "A-infinity algebra of an elliptic curve and Eisenstein series", "authors": [ "Alexander Polishchuk" ], "comment": "13 pages, 3 figures; v3: added remark on the limit at the cusp", "categories": [ "math.AG" ], "abstract": "We compute explicitly the A-infinity structure on the Ext-algebra of the collection $({\\mathcal O}_C, L)$, where $L$ is a line bundle of degree 1 on an elliptic curve $C$. The answer involves higher derivatives of Eisenstein series.", "revisions": [ { "version": "v3", "updated": "2009-11-24T14:03:04.000Z" } ], "analyses": { "keywords": [ "eisenstein series", "elliptic curve", "a-infinity algebra", "a-infinity structure", "line bundle" ], "tags": [ "journal article" ], "publication": { "doi": "10.1007/s00220-010-1156-y", "journal": "Communications in Mathematical Physics", "year": 2011, "month": "Feb", "volume": 301, "number": 3, "pages": 709 }, "note": { "typesetting": "TeX", "pages": 13, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2011CMaPh.301..709P" } } }