{ "id": "1307.0804", "version": "v2", "published": "2013-07-02T19:39:17.000Z", "updated": "2014-09-15T13:51:55.000Z", "title": "Multiscale analysis of 1-rectifiable measures: necessary conditions", "authors": [ "Matthew Badger", "Raanan Schul" ], "comment": "16 pages, v2: expanded introduction, improved Lemma 2.6 (now 2.7), corrected mistake in proof of Proposition 3.1", "categories": [ "math.CA", "math.MG" ], "abstract": "We repurpose tools from the theory of quantitative rectifiability to study the qualitative rectifiability of measures in $\\Bbb{R}^n$, $n\\geq 2$. To each locally finite Borel measure $\\mu$, we associate a function $\\widetilde J_2(\\mu, x)$ which uses a weighted sum to record how closely the mass of $\\mu$ is concentrated on a line in the triples of dyadic cubes containing $x$. We show that $\\widetilde J_2(\\mu, x) < \\infty$ $\\mu$-a.e. is a necessary condition for $\\mu$ to give full mass to a countable family of rectifiable curves. This confirms a conjecture of Peter Jones from 2000. A novelty of this result is that no assumption is made on the upper Hausdorff density of the measure. Thus we are able to analyze generic 1-rectifiable measures that are mutually singular with the 1-dimensional Hausdorff measure.", "revisions": [ { "version": "v1", "updated": "2013-07-02T19:39:17.000Z", "abstract": "We repurpose tools from the theory of quantitative rectifiability to study the qualitative rectifiability of measures in R^n, n >= 2. To each locally finite Borel measure mu, we associate a function ~J_2(mu,x) which uses a weighted sum to record how closely the mass of mu is concentrated on a line in the triples of dyadic cubes containing x. We show that ~J_2(mu,x) < infinity mu-a.e. is a necessary condition for \\mu to give full mass to a countable family of rectifiable curves. This confirms a conjecture of Peter Jones from 2000. A novelty of this result is that no assumption is made on the upper Hausdorff density of the measure. Thus we are able to analyze generic 1-rectifiable measures that are mutually singular with the 1-dimensional Hausdorff measure.", "comment": "14 pages", "journal": null, "doi": null }, { "version": "v2", "updated": "2014-09-15T13:51:55.000Z" } ], "analyses": { "subjects": [ "28A75" ], "keywords": [ "necessary condition", "multiscale analysis", "locally finite borel measure mu", "upper hausdorff density", "hausdorff measure" ], "note": { "typesetting": "TeX", "pages": 16, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2013arXiv1307.0804B" } } }