{ "id": "0706.0756", "version": "v1", "published": "2007-06-06T02:14:58.000Z", "updated": "2007-06-06T02:14:58.000Z", "title": "Boundedness of projection operators and Cesàro means in weighted $L^p$ space on the unit sphere", "authors": [ "Feng Dai", "Yuan Xu" ], "categories": [ "math.CA", "math.FA" ], "abstract": "For the weight function $\\prod_{i=1}^{d+1}|x_i|^{2\\k_i}$ on the unit sphere, sharp local estimates of the orthogonal projection operators are obtained and used to prove the convergence of the Ces\\`aro $(C,\\delta)$ means in the weighted $L^p$ space for $\\delta$ below the critical index. Similar results are also proved for corresponding weight functions on the unit ball and on the simplex.", "revisions": [ { "version": "v1", "updated": "2007-06-06T02:14:58.000Z" } ], "analyses": { "subjects": [ "33C50", "42B08", "42C10" ], "keywords": [ "unit sphere", "cesàro means", "boundedness", "sharp local estimates", "orthogonal projection operators" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2007arXiv0706.0756D" } } }