{ "id": "2105.11377", "version": "v1", "published": "2021-05-24T16:10:42.000Z", "updated": "2021-05-24T16:10:42.000Z", "title": "Local mixing of one-parameter diagonal flows on Anosov homogeneous spaces", "authors": [ "Michael Chow", "Pratyush Sarkar" ], "comment": "44 pages, 1 figure", "categories": [ "math.DS", "math.GT", "math.SP" ], "abstract": "Let $G$ be a connected semisimple real algebraic group and $\\Gamma < G$ be an Anosov subgroup with respect to a minimal parabolic subgroup. We prove local mixing of the one-parameter diagonal flow $\\{\\exp(t\\mathsf{v}) : t \\in \\mathbb{R}\\}$ on $\\Gamma \\backslash G$ in any interior direction $\\mathsf{v}$ of the limit cone of $\\Gamma$ with respect to the Bowen--Margulis--Sullivan measure associated to $\\mathsf{v}$. When $\\Gamma$ is the fundamental group of a compact negatively curved manifold, this was proved earlier by Sambarino for $M$-invariant functions, where $M$ is the centralizer of the flow. By the work of Edwards--Lee--Oh which is a higher rank extension of Roblin's transverse intersection argument, an immediate application is an asymptotic formula for matrix coefficients in $L^2(\\Gamma \\backslash G)$.", "revisions": [ { "version": "v1", "updated": "2021-05-24T16:10:42.000Z" } ], "analyses": { "subjects": [ "37A17", "37A25", "37C30", "37D20" ], "keywords": [ "one-parameter diagonal flow", "anosov homogeneous spaces", "local mixing", "connected semisimple real algebraic group", "roblins transverse intersection argument" ], "note": { "typesetting": "TeX", "pages": 44, "language": "en", "license": "arXiv", "status": "editable" } } }