{ "id": "1811.01035", "version": "v1", "published": "2018-11-02T18:33:38.000Z", "updated": "2018-11-02T18:33:38.000Z", "title": "Limit theorems for the tagged particle in exclusion processes on regular trees", "authors": [ "Dayue Chen", "Peng Chen", "Nina Gantert", "Dominik Schmid" ], "comment": "10 pages, 1 figure", "categories": [ "math.PR" ], "abstract": "We consider exclusion processes on a rooted $d$-regular tree. We start from a Bernoulli product measure conditioned on having a particle at the root, which we call the tagged particle. For $d\\geq 3$, we show that the tagged particle has positive linear speed and satisfies a central limit theorem. We give an explicit formula for the speed. As a key step in the proof, we first show that the exclusion process \"seen from the tagged particle\" has an ergodic invariant measure.", "revisions": [ { "version": "v1", "updated": "2018-11-02T18:33:38.000Z" } ], "analyses": { "subjects": [ "60K35" ], "keywords": [ "tagged particle", "exclusion process", "regular tree", "central limit theorem", "ergodic invariant measure" ], "note": { "typesetting": "TeX", "pages": 10, "language": "en", "license": "arXiv", "status": "editable" } } }