{ "id": "math/9808081", "version": "v1", "published": "1998-08-17T21:37:54.000Z", "updated": "1998-08-17T21:37:54.000Z", "title": "Double Lie algebroids and the double of a Lie bialgebroid", "authors": [ "K. C. H. Mackenzie" ], "comment": "19 pages, LaTeX", "categories": [ "math.DG" ], "abstract": "We define a general notion of abstract double Lie algebroid. We show (1) that the double Lie algebroid of a double Lie groupoid is a double Lie algebroid in this sense; (2) that the double cotangent constructed from Lie algebroid structures on a vector bundle A and its dual A* is a double Lie algebroid if and only if (A, A*) is a Lie bialgebroid; (3) that a vacant double Lie algebroid structure is equivalent to a matched pair structure on the side Lie algebroids.", "revisions": [ { "version": "v1", "updated": "1998-08-17T21:37:54.000Z" } ], "analyses": { "subjects": [ "58H05", "17B66", "18D05", "22A22", "58F05" ], "keywords": [ "lie bialgebroid", "vacant double lie algebroid structure", "abstract double lie algebroid", "side lie algebroids", "double lie groupoid" ], "note": { "typesetting": "LaTeX", "pages": 19, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "1998math......8081M" } } }