{"id":2256,"date":"2020-12-15T09:27:53","date_gmt":"2020-12-15T00:27:53","guid":{"rendered":"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/?post_type=seminar&#038;p=2256"},"modified":"2020-12-15T09:38:43","modified_gmt":"2020-12-15T00:38:43","slug":"generalization-of-riemannian-penrose-inequality-in-weak-gravitational-field","status":"publish","type":"seminar","link":"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/2256\/","title":{"rendered":"Generalization of Riemannian Penrose inequality in weak gravitational field"},"content":{"rendered":"<p>Riemannian Penrose inequality gives the upper bound of the area of the outermost minimal surface in an asymptotically flat spatial surface with nonnegative curvature. The inequality shows, roughly speaking, the upper-bound area of black hole horizon, that is, it can be applied in a region with strong gravitational field.<\/p>\n<p>We deform this inequality so that it can be applied in weak gravitational field. Hence, we show a generalized area inequality.<\/p>\n","protected":false},"featured_media":0,"template":"","tags":[],"seminar_category":[58],"acf":{"s_now_accepting":true,"s_date_order":"2020-11-25 17:30:00","s_date_end":null,"s_date_text":"","s_text":"Keisuke Izumi(KMI, Nagoya Univ.)","s_place":"Zoom","s_place_other":"","s_categoryother":"","s_poster":"","s_poster2":"","s_slide":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Generalization of Riemannian Penrose inequality in weak gravitational field - KMI - Nagoya University<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/2256\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Generalization of Riemannian Penrose inequality in weak gravitational field - KMI - Nagoya University\" \/>\n<meta property=\"og:description\" content=\"Riemannian Penrose inequality gives the upper bound of the area of the outermost minimal surface in an asymptotically flat spatial surface with nonnegative curvature. The inequality shows, roughly speaking, the upper-bound area of black hole horizon, that is, it can be applied in a region with strong gravitational field. We deform this inequality so that it can be applied in weak gravitational field. Hence, we show a generalized area inequality.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/2256\/\" \/>\n<meta property=\"og:site_name\" content=\"KMI - Nagoya University\" \/>\n<meta property=\"article:modified_time\" content=\"2020-12-15T00:38:43+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/2256\/\",\"url\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/2256\/\",\"name\":\"Generalization of Riemannian Penrose inequality in weak gravitational field - KMI - Nagoya University\",\"isPartOf\":{\"@id\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/#website\"},\"datePublished\":\"2020-12-15T00:27:53+00:00\",\"dateModified\":\"2020-12-15T00:38:43+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/2256\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/2256\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/2256\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Seminars\",\"item\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Generalization of Riemannian Penrose inequality in weak gravitational field\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/#website\",\"url\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/\",\"name\":\"KMI - Nagoya University\",\"description\":\"Nagoya University: Kobayashi-Maskawa Institute for the Origin of Particles and the Universe (KMI)\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Generalization of Riemannian Penrose inequality in weak gravitational field - KMI - Nagoya University","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/2256\/","og_locale":"en_US","og_type":"article","og_title":"Generalization of Riemannian Penrose inequality in weak gravitational field - KMI - Nagoya University","og_description":"Riemannian Penrose inequality gives the upper bound of the area of the outermost minimal surface in an asymptotically flat spatial surface with nonnegative curvature. The inequality shows, roughly speaking, the upper-bound area of black hole horizon, that is, it can be applied in a region with strong gravitational field. We deform this inequality so that it can be applied in weak gravitational field. 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