{ "id": "math/0304469", "version": "v1", "published": "2003-04-28T21:53:59.000Z", "updated": "2003-04-28T21:53:59.000Z", "title": "On the cohomological equation for interval exchange maps", "authors": [ "Stefano Marmi", "Pierre Moussa", "Jean-Christophe Yoccoz" ], "comment": "11 pages, french abstract and abridged version", "categories": [ "math.DS", "math.NT" ], "abstract": "We exhibit an explicit full measure class of minimal interval exchange maps T for which the cohomological equation $\\Psi -\\Psi\\circ T=\\Phi$ has a bounded solution $\\Psi$ provided that the datum $\\Phi$ belongs to a finite codimension subspace of the space of functions having on each interval a derivative of bounded variation. The class of interval exchange maps is characterized in terms of a diophantine condition of ``Roth type'' imposed to an acceleration of the Rauzy--Veech--Zorich continued fraction expansion associated to T. Contents 0. French abridged version 1. Interval exchange maps and the cohomological equation. Main Theorem 2. Rauzy--Veech--Zorich continued fraction algorithm and its acceleration 3. Special Birkhoff sums 4. The Diophantine condition 5. Sketch of the proof of the theorem", "revisions": [ { "version": "v1", "updated": "2003-04-28T21:53:59.000Z" } ], "analyses": { "keywords": [ "cohomological equation", "continued fraction expansion", "diophantine condition", "explicit full measure class", "minimal interval exchange maps" ], "note": { "typesetting": "TeX", "pages": 11, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2003math......4469M" } } }