{ "id": "1408.2445", "version": "v2", "published": "2014-08-11T15:41:17.000Z", "updated": "2014-08-26T02:25:36.000Z", "title": "Ergodicity and Conservativity of products of infinite transformations and their inverses", "authors": [ "Julien Clancy", "Rina Friedberg", "Indraneel Kasmalkar", "Isaac Loh", "Tudor Pădurariu", "Cesar E. Silva", "Sahana Vasudevan" ], "comment": "A new section (current section 6) on higher powers; minor renumbering of sections and minor corrections", "categories": [ "math.DS" ], "abstract": "We construct a class of rank-one infinite measure-preserving transformations such that for each transformation $T$ in the class, the cartesian product $T\\times T$ of the transformation with itself is ergodic, but the product $T\\times T^{-1}$ of the transformation with its inverse is not ergodic, and examples where all products of distinct positive powers of $T$ are ergodic but $T\\times T^{-1}$ is not ergodic. We also prove that the product of any rank-one transformation with its inverse is conservative, while there are infinite measure-preserving conservative ergodic Markov shifts whose product with their inverse is not conservative.", "revisions": [ { "version": "v1", "updated": "2014-08-11T15:41:17.000Z", "abstract": "We construct a class of rank-one infinite measure-preserving transformations such that for each transformation $T$ in the class, the cartesian product $T\\times T$ of the transformation with itself is ergodic, but the product of the transformation with its inverse is not ergodic. We also prove that the product of any rank-one transformation with its inverse is conservative, while there are infinite measure-preserving conservative ergodic Markov shifts whose product with their inverse is not conservative", "comment": null, "journal": null, "doi": null }, { "version": "v2", "updated": "2014-08-26T02:25:36.000Z" } ], "analyses": { "subjects": [ "37A40", "37A05" ], "keywords": [ "infinite transformations", "ergodicity", "conservativity", "infinite measure-preserving conservative ergodic markov", "measure-preserving conservative ergodic markov shifts" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2014arXiv1408.2445C" } } }