{ "id": "2410.00642", "version": "v1", "published": "2024-10-01T12:52:21.000Z", "updated": "2024-10-01T12:52:21.000Z", "title": "Sub-actions for geodesic flows on locally CAT(-1) spaces", "authors": [ "David Constantine", "Elvin Shrestha", "Yandi Wu" ], "comment": "56 pages, 6 figures", "categories": [ "math.DS", "math.MG" ], "abstract": "We extend a result of Lopes and Thieullen on sub-actions for smooth Anosov flows to the setting of geodesic flow on locally CAT(-1) spaces. This allows us to use arguments originally due to Croke and Dairbekov to prove a volume rigidity theorem for some interesting locally CAT(-1) spaces, including quotients of Fuchsian buildings and surface amalgams.", "revisions": [ { "version": "v1", "updated": "2024-10-01T12:52:21.000Z" } ], "analyses": { "subjects": [ "37D40" ], "keywords": [ "locally cat", "geodesic flow", "sub-actions", "smooth anosov flows", "volume rigidity theorem" ], "note": { "typesetting": "TeX", "pages": 56, "language": "en", "license": "arXiv", "status": "editable" } } }