{ "id": "2212.07236", "version": "v1", "published": "2022-12-14T14:17:07.000Z", "updated": "2022-12-14T14:17:07.000Z", "title": "Hardy inequalities on metric measure spaces, IV: The case $p=1$", "authors": [ "Michael Ruzhansky", "Anjali Shriwastawa", "Bankteshwar Tiwari" ], "comment": "11 pages, comments and suggestions are welcome", "categories": [ "math.CA" ], "abstract": "In this paper, we investigate the two-weight Hardy inequalities on metric measure space possessing polar decompositions for the case $p=1$ and $1 \\leq q <\\infty.$ This result complements the Hardy inequalities obtained in \\cite{RV} in the case $1< p\\le q<\\infty.$ The case $p=1$ requires a different argument and does not follow as the limit of known inequalities for $p>1.$ As a byproduct, we also obtain the best constant in the established inequality. We give examples obtaining new weighted Hardy inequalities on homogeneous Lie groups, on hyperbolic spaces and on Cartan-Hadamard manifolds for the case $p=1$ and $1\\le q<\\infty.$", "revisions": [ { "version": "v1", "updated": "2022-12-14T14:17:07.000Z" } ], "analyses": { "keywords": [ "inequality", "measure space possessing polar decompositions", "metric measure space possessing polar", "two-weight hardy inequalities", "best constant" ], "note": { "typesetting": "TeX", "pages": 11, "language": "en", "license": "arXiv", "status": "editable" } } }