{ "id": "1112.2441", "version": "v1", "published": "2011-12-12T04:57:45.000Z", "updated": "2011-12-12T04:57:45.000Z", "title": "Sharp estimates for the Neumann functions and applications to quantitative photo-acoustic imaging in inhomogeneous media", "authors": [ "Habib Ammari", "Hyeonbae Kang", "Seick Kim" ], "comment": "30 pages", "journal": "Journal of Differential Equations 253 (2012) pp. 41-72", "doi": "10.1016/j.jde.2012.03.022", "categories": [ "math.AP" ], "abstract": "We obtain sharp $L^p$ and H\\\"older estimates for the Neumann function of the operator $\\nabla \\cdot \\gamma \\nabla - ik$ on a bounded domain. We also obtain quantitative description of its singularity. We then apply these estimates to quantitative photo-acoustic imaging in inhomogeneous media. The problem is to reconstruct the optical absorption coefficient of a diametrically small anomaly from the absorbed energy density.", "revisions": [ { "version": "v1", "updated": "2011-12-12T04:57:45.000Z" } ], "analyses": { "subjects": [ "31B20", "35J25", "35J08" ], "keywords": [ "quantitative photo-acoustic imaging", "neumann function", "inhomogeneous media", "sharp estimates", "applications" ], "tags": [ "journal article" ], "publication": { "journal": "Journal of Differential Equations", "year": 2012, "volume": 253, "number": 1, "pages": 41 }, "note": { "typesetting": "TeX", "pages": 30, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2012JDE...253...41A" } } }