{ "id": "1909.05517", "version": "v1", "published": "2019-09-12T09:05:57.000Z", "updated": "2019-09-12T09:05:57.000Z", "title": "Barycenters in generalized Wasserstein spaces", "authors": [ "Nhan-Phu Chung", "Thanh-Son Trinh" ], "comment": "18 pages. Comments welcome", "categories": [ "math.OC", "math.FA" ], "abstract": "In 2014, Piccoli and Rossi introduced generalized Wasserstein spaces which are combinations of Wasserstein distances and $L^1$-distances [11]. In this article, we follow the ideas of Agueh and Carlier [1] to study generalized Wasserstein barycenters. We show the existence of barycenters for measures with compact supports. We also investigate a dual problem of the barycenter problem via our Kantorovich duality formula for generalized Wasserstein distances. Finally, we provide consistency of the barycenters.", "revisions": [ { "version": "v1", "updated": "2019-09-12T09:05:57.000Z" } ], "analyses": { "keywords": [ "generalized wasserstein spaces", "kantorovich duality formula", "study generalized wasserstein barycenters", "barycenter problem", "dual problem" ], "note": { "typesetting": "TeX", "pages": 18, "language": "en", "license": "arXiv", "status": "editable" } } }