{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T07:47:13Z","timestamp":1777448833831,"version":"3.51.4"},"reference-count":0,"publisher":"SAGE Publications","issue":"1-2","license":[{"start":{"date-parts":[[2010,8,1]],"date-time":"2010-08-01T00:00:00Z","timestamp":1280620800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Asymptotic Analysis"],"published-print":{"date-parts":[[2010,8]]},"abstract":"<jats:p>\n                    For certain compactly supported metric and\/or potential perturbations of the Laplacian on H\n                    <jats:sup>n+1<\/jats:sup>\n                    , we establish an upper bound on the resonance counting function with an explicit constant that depends only on the dimension, the radius of the unperturbed region in H\n                    <jats:sup>n+1<\/jats:sup>\n                    , and the volume of the metric perturbation. This constant is shown to be sharp in the case of scattering by a spherical obstacle.\n                  <\/jats:p>","DOI":"10.3233\/asy-2010-0995","type":"journal-article","created":{"date-parts":[[2019,11,29]],"date-time":"2019-11-29T19:12:52Z","timestamp":1575054772000},"page":"45-85","source":"Crossref","is-referenced-by-count":9,"title":["Sharp upper bounds on resonances for perturbations of hyperbolic space"],"prefix":"10.1177","volume":"69","author":[{"given":"David","family":"Borthwick","sequence":"first","affiliation":[{"name":"Department of Mathematics and Computer Science, Emory University, Atlanta, GA 30322, USA. E-mail: davidb@mathcs.emory.edu"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2010,8,1]]},"container-title":["Asymptotic Analysis"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.3233\/ASY-2010-0995","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.3233\/ASY-2010-0995","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T12:39:06Z","timestamp":1777379946000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.sagepub.com\/doi\/10.3233\/ASY-2010-0995"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2010,8]]},"references-count":0,"journal-issue":{"issue":"1-2","published-print":{"date-parts":[[2010,8]]}},"alternative-id":["10.3233\/ASY-2010-0995"],"URL":"https:\/\/doi.org\/10.3233\/asy-2010-0995","relation":{},"ISSN":["0921-7134","1875-8576"],"issn-type":[{"value":"0921-7134","type":"print"},{"value":"1875-8576","type":"electronic"}],"subject":[],"published":{"date-parts":[[2010,8]]}}}