{ "id": "math/0409100", "version": "v1", "published": "2004-09-07T08:42:41.000Z", "updated": "2004-09-07T08:42:41.000Z", "title": "Multiscaled wavelet transforms, ridgelet transforms, and Radon transforms on the space of matrices", "authors": [ "G. Olafsson", "E. Ournycheva", "B. Rubin" ], "comment": "29 pages", "categories": [ "math.FA" ], "abstract": "Let $M$ be the space of real $n\\times m$ matrices which can be identified with the Euclidean space $R^{nm}$. We introduce continuous wavelet transforms on $M$ with a multivalued scaling parameter represented by a positive definite symmetric matrix. These transforms agree with the polar decomposition on $M$ and coincide with classical ones in the rank-one case $m=1$. We prove an analog of Calderon's reproducing formula for $L^2$-functions and obtain explicit inversion formulas for the Riesz potentials and Radon transforms on $M$. We also introduce continuous ridgelet transforms associated to matrix planes in $M$. An inversion formula for these transforms follows from that for the Radon transform.", "revisions": [ { "version": "v1", "updated": "2004-09-07T08:42:41.000Z" } ], "analyses": { "subjects": [ "42C40", "44A12" ], "keywords": [ "radon transform", "multiscaled wavelet transforms", "ridgelet transforms", "explicit inversion formulas", "positive definite symmetric matrix" ], "note": { "typesetting": "TeX", "pages": 29, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2004math......9100O" } } }