{ "id": "1108.5346", "version": "v1", "published": "2011-08-26T16:17:41.000Z", "updated": "2011-08-26T16:17:41.000Z", "title": "Constructive quantization: approximation by empirical measures", "authors": [ "Steffen Dereich", "Michael Scheutzow", "Reik Schottstedt" ], "comment": "22 pages", "categories": [ "math.PR" ], "abstract": "In this article, we study the approximation of a probability measure $\\mu$ on $\\mathbb{R}^{d}$ by its empirical measure $\\hat{\\mu}_{N}$ interpreted as a random quantization. As error criterion we consider an averaged $p$-th moment Wasserstein metric. In the case where $2p