{ "id": "1406.3760", "version": "v2", "published": "2014-06-14T18:27:10.000Z", "updated": "2015-11-01T21:42:39.000Z", "title": "Spectral flow, crossing forms and homoclinics of Hamiltonian systems", "authors": [ "Nils Waterstraat" ], "comment": "35 pages; v2: final version, Theorem 2.7 improved according to referee's suggestions, additional minor changes", "journal": "Proc. Lond. Math. Soc. (3) 111, 2015, 275-304", "categories": [ "math.DS", "math.DG", "math.FA", "math.SG" ], "abstract": "We prove a spectral flow formula for one-parameter families of Hamiltonian systems under homoclinic boundary conditions, which relates the spectral flow to the relative Maslov index of a pair of curves of Lagrangians induced by the stable and unstable subspaces, respectively. Finally, we deduce sufficient conditions for bifurcation of homoclinic trajectories of one-parameter families of nonautonomous Hamiltonian vector fields.", "revisions": [ { "version": "v1", "updated": "2014-06-14T18:27:10.000Z", "comment": "35 pages", "journal": null, "doi": null }, { "version": "v2", "updated": "2015-11-01T21:42:39.000Z" } ], "analyses": { "subjects": [ "58J30", "37J45", "58E07" ], "keywords": [ "hamiltonian systems", "crossing forms", "one-parameter families", "deduce sufficient conditions", "homoclinic boundary conditions" ], "tags": [ "journal article" ], "note": { "typesetting": "TeX", "pages": 35, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2014arXiv1406.3760W" } } }