{ "id": "1207.3831", "version": "v2", "published": "2012-07-16T21:58:13.000Z", "updated": "2012-12-14T16:52:47.000Z", "title": "Covariation representations for Hermitian Lévy process ensembles of free infinitely divisible distributions", "authors": [ "J. Armando Domínguez-Molina", "Víctor Pérez-Abreu", "Alfonso Rocha-Arteaga" ], "comment": "13 pages", "categories": [ "math.PR" ], "abstract": "It is known that the so-called Bercovici-Pata bijection can be explained in terms of certain Hermitian random matrix ensembles $(M_{d})_{d\\geq1}$ whose asymptotic spectral distributions are free infinitely divisible. We investigate Hermitian L\\'{e}vy processes with jumps of rank one associated to these random matrix ensembles introduced in [6] and [10]. A sample path approximation by covariation processes for these matrix L\\'{e}vy processes is obtained. As a general result we prove that any $d\\times d$ complex matrix subordinator with jumps of rank one is the quadratic variation of an $\\mathbb{C}^{d}$-valued L\\'{e}vy process. In particular, we have the corresponding result for matrix subordinators with jumps of rank one associated to the random matrix ensembles $(M_{d})_{d\\geq1}$", "revisions": [ { "version": "v2", "updated": "2012-12-14T16:52:47.000Z" } ], "analyses": { "subjects": [ "60B20", "60E07", "60G51", "60G57" ], "keywords": [ "hermitian lévy process ensembles", "free infinitely divisible distributions", "random matrix ensembles", "covariation representations" ], "note": { "typesetting": "TeX", "pages": 13, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2012arXiv1207.3831D" } } }