{"id":1347,"date":"2018-03-05T08:52:09","date_gmt":"2018-03-05T07:52:09","guid":{"rendered":"https:\/\/www.uni.lu\/fstm-fr\/events\/geometry-topology-seminar\/"},"modified":"2018-03-05T08:52:09","modified_gmt":"2018-03-05T07:52:09","slug":"geometry-topology-seminar","status":"publish","type":"events","link":"https:\/\/www.uni.lu\/fstm-fr\/events\/geometry-topology-seminar\/","title":{"rendered":"Geometry-Topology seminar"},"content":{"rendered":"<section class=\"wp-block-unilux-blocks-free-section section\"><div class=\"container xl:max-w-screen-xl\"><p>The \u00ab Spherics \u00bb by Menelaus of Alexandria (1st-2nd c. A.D.) is probably the most important treatise ever written on spherical geometry. It is a profound work, introducing new methods in geometry, intrinsic to the sphere, containing 91 propositions, some of which are very difficult to prove. An edition, from Arabic texts (the Greek original does not survive), was just published by De Gruyter, in their series Scientia Graeco-Arabica, No. 21<\/p><p><a href=\"https:\/\/www.degruyter.com\/view\/product\/496630\" target=\"_self\" title=\"\" rel=\"noopener\">https:\/\/www.degruyter.com\/view\/product\/496630<\/a><\/p><p>This publication contains the first English translation of Menelaus\u2019 treatise together with an extensive commentary. In this talk, I will present the content of the Spherics and explain some of the major theorems it contains.<\/p><\/div><\/section>","protected":false},"excerpt":{"rendered":"<p>The \u00ab Spherics \u00bb by Menelaus of Alexandria (1st-2nd c. A.D.) is probably the most important treatise ever written on spherical geometry. It is a profound work, introducing new methods in geometry, intrinsic to the sphere, containing 91 propositions, some of which are very difficult to prove. An edition, from Arabic texts (the Greek original does not survive), was just published by De Gruyter, in their series Scientia Graeco-Arabica, No. 21<\/p>\n","protected":false},"author":0,"featured_media":1348,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"featured_image_focal_point":[],"show_featured_caption":false,"ulux_newsletter_groups":"","uluxPostTitle":"","uluxPrePostTitle":"","_trash_the_other_posts":false,"_price":"","_stock":"","_tribe_ticket_header":"","_tribe_default_ticket_provider":"","_tribe_ticket_capacity":"0","_ticket_start_date":"","_ticket_end_date":"","_tribe_ticket_show_description":"","_tribe_ticket_show_not_going":false,"_tribe_ticket_use_global_stock":"","_tribe_ticket_global_stock_level":"","_global_stock_mode":"","_global_stock_cap":"","_tribe_rsvp_for_event":"","_tribe_ticket_going_count":"","_tribe_ticket_not_going_count":"","_tribe_tickets_list":"[]","_tribe_ticket_has_attendee_info_fields":false,"event_start_date":"2018-03-05 15:00:00","event_end_date":"2018-03-05 16:00:00","event_speaker_name":"Athanase Papadopoulos (CNRS - Universit\u00e9 de Strasbourg) ","event_speaker_link":"","event_is_online":false,"event_location":"Campus Belval\r\nMaison du Nombre\r\n6, avenue de la Fonte\r\nRoom MNO-E06-0615440 (6th floor 6A)","event_street":"UNIVERSITY OF LUXEMBOURG","event_location_link":"","event_zip_code":"4364","event_city":"Esch-sur-Alzette","event_country":"LU"},"events-topic":[309],"events-type":[],"organisation":[60],"authorship":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.3 (Yoast SEO v22.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Geometry-Topology seminar - FSTM I Uni.lu<\/title>\n<meta name=\"description\" content=\"The \u00ab Spherics \u00bb by Menelaus of Alexandria (1st-2nd c. A.D.) is probably the most important treatise ever written on spherical geometry. It is a profound work, introducing new methods in geometry, intrinsic to the sphere, containing 91 propositions, some of which are very difficult to prove. An edition, from Arabic texts (the Greek original does not survive), was just published by De Gruyter, in their series Scientia Graeco-Arabica, No. 21\" \/>\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.uni.lu\/fstm-fr\/events\/geometry-topology-seminar\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Geometry-Topology seminar\" \/>\n<meta property=\"og:description\" content=\"The \u00ab Spherics \u00bb by Menelaus of Alexandria (1st-2nd c. A.D.) is probably the most important treatise ever written on spherical geometry. It is a profound work, introducing new methods in geometry, intrinsic to the sphere, containing 91 propositions, some of which are very difficult to prove. An edition, from Arabic texts (the Greek original does not survive), was just published by De Gruyter, in their series Scientia Graeco-Arabica, No. 21\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.uni.lu\/fstm-fr\/events\/geometry-topology-seminar\/\" \/>\n<meta property=\"og:site_name\" content=\"FSTM FR\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/fstm.uni.lu\/\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.uni.lu\/wp-content\/uploads\/sites\/20\/2026\/03\/03111744\/FSTM_SM-Profile_1600x1600px-scaled.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"2560\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.uni.lu\/fstm-fr\/events\/geometry-topology-seminar\/\",\"url\":\"https:\/\/www.uni.lu\/fstm-fr\/events\/geometry-topology-seminar\/\",\"name\":\"Geometry-Topology seminar - FSTM I Uni.lu\",\"isPartOf\":{\"@id\":\"https:\/\/www.uni.lu\/fstm-fr\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.uni.lu\/fstm-fr\/events\/geometry-topology-seminar\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.uni.lu\/fstm-fr\/events\/geometry-topology-seminar\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.uni.lu\/wp-content\/uploads\/sites\/20\/2018\/03\/default-2.jpg\",\"datePublished\":\"2018-03-05T07:52:09+00:00\",\"dateModified\":\"2018-03-05T07:52:09+00:00\",\"description\":\"The \u00ab Spherics \u00bb by Menelaus of Alexandria (1st-2nd c. A.D.) is probably the most important treatise ever written on spherical geometry. It is a profound work, introducing new methods in geometry, intrinsic to the sphere, containing 91 propositions, some of which are very difficult to prove. An edition, from Arabic texts (the Greek original does not survive), was just published by De Gruyter, in their series Scientia Graeco-Arabica, No. 21\",\"breadcrumb\":{\"@id\":\"https:\/\/www.uni.lu\/fstm-fr\/events\/geometry-topology-seminar\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.uni.lu\/fstm-fr\/events\/geometry-topology-seminar\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/www.uni.lu\/fstm-fr\/events\/geometry-topology-seminar\/#primaryimage\",\"url\":\"https:\/\/www.uni.lu\/wp-content\/uploads\/sites\/20\/2018\/03\/default-2.jpg\",\"contentUrl\":\"https:\/\/www.uni.lu\/wp-content\/uploads\/sites\/20\/2018\/03\/default-2.jpg\",\"width\":1500,\"height\":1125},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.uni.lu\/fstm-fr\/events\/geometry-topology-seminar\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.uni.lu\/fr\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Facult\u00e9 des Sciences, des Technologies et de M\u00e9decine\",\"item\":\"https:\/\/www.uni.lu\/fstm-fr\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Events\",\"item\":\"https:\/\/www.uni.lu\/fstm-fr\/events\/\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Geometry-Topology seminar\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.uni.lu\/fstm-fr\/#website\",\"url\":\"https:\/\/www.uni.lu\/fstm-fr\/\",\"name\":\"FSTM\",\"description\":\"Facult\u00e9 des Sciences, des Technologies et de M\u00e9decine I Uni.lu\",\"publisher\":{\"@id\":\"https:\/\/www.uni.lu\/fstm-fr\/#organization\"},\"alternateName\":\"Facult\u00e9 des Sciences, des Technologies et de M\u00e9decine I Universit\u00e9 du Luxembourg\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.uni.lu\/fstm-fr\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.uni.lu\/fstm-fr\/#organization\",\"name\":\"FSTM - Universit\u00e9 du Luxembourg I Uni.lu\",\"alternateName\":\"Facult\u00e9 des Sciences, des Technologies et de M\u00e9decine\",\"url\":\"https:\/\/www.uni.lu\/fstm-fr\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/www.uni.lu\/fstm-fr\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.uni.lu\/wp-content\/uploads\/sites\/20\/2026\/03\/03111744\/FSTM_SM-Profile_1600x1600px-scaled.jpg\",\"contentUrl\":\"https:\/\/www.uni.lu\/wp-content\/uploads\/sites\/20\/2026\/03\/03111744\/FSTM_SM-Profile_1600x1600px-scaled.jpg\",\"width\":2560,\"height\":2560,\"caption\":\"FSTM - Universit\u00e9 du Luxembourg I Uni.lu\"},\"image\":{\"@id\":\"https:\/\/www.uni.lu\/fstm-fr\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/fstm.uni.lu\/\",\"https:\/\/www.linkedin.com\/showcase\/fstm-uni-lu\"]}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Geometry-Topology seminar - FSTM I Uni.lu","description":"The \u00ab Spherics \u00bb by Menelaus of Alexandria (1st-2nd c. A.D.) is probably the most important treatise ever written on spherical geometry. It is a profound work, introducing new methods in geometry, intrinsic to the sphere, containing 91 propositions, some of which are very difficult to prove. An edition, from Arabic texts (the Greek original does not survive), was just published by De Gruyter, in their series Scientia Graeco-Arabica, No. 21","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.uni.lu\/fstm-fr\/events\/geometry-topology-seminar\/","og_locale":"fr_FR","og_type":"article","og_title":"Geometry-Topology seminar","og_description":"The \u00ab Spherics \u00bb by Menelaus of Alexandria (1st-2nd c. A.D.) is probably the most important treatise ever written on spherical geometry. It is a profound work, introducing new methods in geometry, intrinsic to the sphere, containing 91 propositions, some of which are very difficult to prove. An edition, from Arabic texts (the Greek original does not survive), was just published by De Gruyter, in their series Scientia Graeco-Arabica, No. 21","og_url":"https:\/\/www.uni.lu\/fstm-fr\/events\/geometry-topology-seminar\/","og_site_name":"FSTM FR","article_publisher":"https:\/\/www.facebook.com\/fstm.uni.lu\/","og_image":[{"width":2560,"height":2560,"url":"https:\/\/www.uni.lu\/wp-content\/uploads\/sites\/20\/2026\/03\/03111744\/FSTM_SM-Profile_1600x1600px-scaled.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Dur\u00e9e de lecture estim\u00e9e":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.uni.lu\/fstm-fr\/events\/geometry-topology-seminar\/","url":"https:\/\/www.uni.lu\/fstm-fr\/events\/geometry-topology-seminar\/","name":"Geometry-Topology seminar - FSTM I Uni.lu","isPartOf":{"@id":"https:\/\/www.uni.lu\/fstm-fr\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.uni.lu\/fstm-fr\/events\/geometry-topology-seminar\/#primaryimage"},"image":{"@id":"https:\/\/www.uni.lu\/fstm-fr\/events\/geometry-topology-seminar\/#primaryimage"},"thumbnailUrl":"https:\/\/www.uni.lu\/wp-content\/uploads\/sites\/20\/2018\/03\/default-2.jpg","datePublished":"2018-03-05T07:52:09+00:00","dateModified":"2018-03-05T07:52:09+00:00","description":"The \u00ab Spherics \u00bb by Menelaus of Alexandria (1st-2nd c. A.D.) is probably the most important treatise ever written on spherical geometry. It is a profound work, introducing new methods in geometry, intrinsic to the sphere, containing 91 propositions, some of which are very difficult to prove. An edition, from Arabic texts (the Greek original does not survive), was just published by De Gruyter, in their series Scientia Graeco-Arabica, No. 21","breadcrumb":{"@id":"https:\/\/www.uni.lu\/fstm-fr\/events\/geometry-topology-seminar\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.uni.lu\/fstm-fr\/events\/geometry-topology-seminar\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/www.uni.lu\/fstm-fr\/events\/geometry-topology-seminar\/#primaryimage","url":"https:\/\/www.uni.lu\/wp-content\/uploads\/sites\/20\/2018\/03\/default-2.jpg","contentUrl":"https:\/\/www.uni.lu\/wp-content\/uploads\/sites\/20\/2018\/03\/default-2.jpg","width":1500,"height":1125},{"@type":"BreadcrumbList","@id":"https:\/\/www.uni.lu\/fstm-fr\/events\/geometry-topology-seminar\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.uni.lu\/fr"},{"@type":"ListItem","position":2,"name":"Facult\u00e9 des Sciences, des Technologies et de M\u00e9decine","item":"https:\/\/www.uni.lu\/fstm-fr\/"},{"@type":"ListItem","position":3,"name":"Events","item":"https:\/\/www.uni.lu\/fstm-fr\/events\/"},{"@type":"ListItem","position":4,"name":"Geometry-Topology seminar"}]},{"@type":"WebSite","@id":"https:\/\/www.uni.lu\/fstm-fr\/#website","url":"https:\/\/www.uni.lu\/fstm-fr\/","name":"FSTM","description":"Facult\u00e9 des Sciences, des Technologies et de M\u00e9decine I Uni.lu","publisher":{"@id":"https:\/\/www.uni.lu\/fstm-fr\/#organization"},"alternateName":"Facult\u00e9 des Sciences, des Technologies et de M\u00e9decine I Universit\u00e9 du Luxembourg","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.uni.lu\/fstm-fr\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"fr-FR"},{"@type":"Organization","@id":"https:\/\/www.uni.lu\/fstm-fr\/#organization","name":"FSTM - Universit\u00e9 du Luxembourg I Uni.lu","alternateName":"Facult\u00e9 des Sciences, des Technologies et de M\u00e9decine","url":"https:\/\/www.uni.lu\/fstm-fr\/","logo":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/www.uni.lu\/fstm-fr\/#\/schema\/logo\/image\/","url":"https:\/\/www.uni.lu\/wp-content\/uploads\/sites\/20\/2026\/03\/03111744\/FSTM_SM-Profile_1600x1600px-scaled.jpg","contentUrl":"https:\/\/www.uni.lu\/wp-content\/uploads\/sites\/20\/2026\/03\/03111744\/FSTM_SM-Profile_1600x1600px-scaled.jpg","width":2560,"height":2560,"caption":"FSTM - Universit\u00e9 du Luxembourg I Uni.lu"},"image":{"@id":"https:\/\/www.uni.lu\/fstm-fr\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/fstm.uni.lu\/","https:\/\/www.linkedin.com\/showcase\/fstm-uni-lu"]}]}},"_links":{"self":[{"href":"https:\/\/www.uni.lu\/fstm-fr\/wp-json\/wp\/v2\/events\/1347"}],"collection":[{"href":"https:\/\/www.uni.lu\/fstm-fr\/wp-json\/wp\/v2\/events"}],"about":[{"href":"https:\/\/www.uni.lu\/fstm-fr\/wp-json\/wp\/v2\/types\/events"}],"replies":[{"embeddable":true,"href":"https:\/\/www.uni.lu\/fstm-fr\/wp-json\/wp\/v2\/comments?post=1347"}],"version-history":[{"count":0,"href":"https:\/\/www.uni.lu\/fstm-fr\/wp-json\/wp\/v2\/events\/1347\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.uni.lu\/fstm-fr\/wp-json\/wp\/v2\/media\/1348"}],"wp:attachment":[{"href":"https:\/\/www.uni.lu\/fstm-fr\/wp-json\/wp\/v2\/media?parent=1347"}],"wp:term":[{"taxonomy":"events-topic","embeddable":true,"href":"https:\/\/www.uni.lu\/fstm-fr\/wp-json\/wp\/v2\/events-topic?post=1347"},{"taxonomy":"events-type","embeddable":true,"href":"https:\/\/www.uni.lu\/fstm-fr\/wp-json\/wp\/v2\/events-type?post=1347"},{"taxonomy":"organisation","embeddable":true,"href":"https:\/\/www.uni.lu\/fstm-fr\/wp-json\/wp\/v2\/organisation?post=1347"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}