{"603466":{"#nid":"603466","#data":{"type":"event","title":"IBM Research \u0022Ponder This\u0022 Puzzlemaster Comes to Tech","body":[{"value":"\u003Ch4\u003EA School of Mathematics Seminar with IBM Research puzzlemaster Oded Margalit\u003C\/h4\u003E\r\n\r\n\u003Cp\u003E\u003Ca href=\u0022https:\/\/www.research.ibm.com\/haifa\/ponderthis\/index.shtml\u0022\u003EIBM Research\u003C\/a\u003E runs a mathematical challenge site, called \u0026quot;Ponder This.\u0026quot; Every month the site posts a new\u0026nbsp; challenge and reveals the\u0026nbsp;solution for the previous month\u0026#39;s riddle.\u0026nbsp;\u003Ca href=\u0022https:\/\/researcher.watson.ibm.com\/researcher\/view.php?person=il-ODEDM\u0022\u003EOded Margalit\u003C\/a\u003E\u0026nbsp;has been\u0026nbsp;the puzzlemaster since 2005.\u0026nbsp; He will survey some of the riddles over the years and tell some anecdotes about the challenges and the solvers, for example:\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cul\u003E\r\n\t\u003Cli\u003EPRL paper born from a riddle on random walks\u0026nbsp;\u003C\/li\u003E\r\n\t\u003Cli\u003EITA-2014 paper on water hose model (using quantum entanglement to break location based encryption)\u003C\/li\u003E\r\n\t\u003Cli\u003EGames: 2048, Kakuro, Infinite chess game, the probability of a backgammon to end with a double\u0026nbsp;Fisher Foul Chess and more\u0026nbsp;\u003C\/li\u003E\r\n\t\u003Cli\u003EMinimal hash function\u0026nbsp;\u003C\/li\u003E\r\n\t\u003Cli\u003ECombinatorial test design\u0026nbsp;\u003C\/li\u003E\r\n\t\u003Cli\u003EA solver from the intensive care unit and other stories\u0026nbsp;\u003C\/li\u003E\r\n\t\u003Cli\u003EFinding a natural number n such that round ((1+2 cos(20))^n) is divisible by 10^9\u003C\/li\u003E\r\n\u003C\/ul\u003E\r\n\r\n\u003Cp\u003EDon\u0026#39;t worry! No high mathematics\u0026nbsp;knowledge is assumed.\u003C\/p\u003E\r\n\r\n\u003Cdiv\u003E\r\n\u003Cdiv\u003E\r\n\u003Cdiv\u003E\r\n\u003Cdiv\u003E\r\n\u003Cdiv\u003E\r\n\u003Cdiv\u003E\r\n\u003Cdiv\u003E\r\n\u003Cdiv\u003E\r\n\u003Cdiv\u003E\r\n\u003Cp\u003E\u003Cstrong\u003EAbout the Speaker\u003C\/strong\u003E\u003Cbr \/\u003E\r\nOded Margalit received his\u0026nbsp;Ph.D.\u0026nbsp;in Computer Science from Tel-Aviv University under the supervision of Zvi Galil, now the dean of the Georgia Tech College of Computing.\u0026nbsp;\u003C\/p\u003E\r\n\r\n\u003Cp\u003EMargalit has worked at IBM\u0026#39;s Haifa research lab on machine learning and constraint satisfaction, verification, and more. He is the chief technology officer of the IBM Cyber Security Center of Excellence at Ben Gurion University of the Negev.\u003C\/p\u003E\r\n\r\n\u003Cp\u003EOded participates in organising several computer science competitions, such as\u0026nbsp;the international IEEEXtreme and the national CodeGuru. He loves riddles and is the author of \u0026quot;Ponder This,\u0026quot;\u0026nbsp;the monthly challenge corner of IBM Research.\u003C\/p\u003E\r\n\u003C\/div\u003E\r\n\u003C\/div\u003E\r\n\u003C\/div\u003E\r\n\u003C\/div\u003E\r\n\u003C\/div\u003E\r\n\u003C\/div\u003E\r\n\u003C\/div\u003E\r\n\u003C\/div\u003E\r\n\u003C\/div\u003E\r\n","summary":null,"format":"limited_html"}],"field_subtitle":"","field_summary":[{"value":"\u003Cp\u003E\u003Ca href=\u0022https:\/\/www.research.ibm.com\/haifa\/ponderthis\/index.shtml\u0022\u003EIBM Research \u003C\/a\u003Eruns a mathematical challenge site, \u0026quot;Ponder This,\u0026quot; which posts\u0026nbsp;a new challenge every month, as well as a solution for the previous month\u0026#39;s riddle. Oded Margalit has been the puzzlemaster since 2005.\u0026nbsp;\u003C\/p\u003E\r\n","format":"limited_html"}],"field_summary_sentence":[{"value":"A School of Mathematics Seminar with IBM Research puzzlemaster Oded Margalit"}],"uid":"34518","created_gmt":"2018-03-07 21:37:30","changed_gmt":"2018-03-07 22:12:21","author":"sbarone7","boilerplate_text":"","field_publication":"","field_article_url":"","field_event_time":{"event_time_start":"2018-04-10T12:00:00-04:00","event_time_end":"2018-04-10T13:00:00-04:00","event_time_end_last":"2018-04-10T13:00:00-04:00","gmt_time_start":"2018-04-10 16:00:00","gmt_time_end":"2018-04-10 17:00:00","gmt_time_end_last":"2018-04-10 17:00:00","rrule":null,"timezone":"America\/New_York"},"extras":[],"hg_media":{"603467":{"id":"603467","type":"image","title":"Oded Margalit","body":null,"created":"1520458856","gmt_created":"2018-03-07 21:40:56","changed":"1520458856","gmt_changed":"2018-03-07 21:40:56","alt":"","file":{"fid":"230020","name":"oded.jpg","image_path":"\/sites\/default\/files\/images\/oded.jpg","image_full_path":"http:\/\/www.tlwarc.hg.gatech.edu\/\/sites\/default\/files\/images\/oded.jpg","mime":"image\/jpeg","size":14158,"path_740":"http:\/\/www.tlwarc.hg.gatech.edu\/sites\/default\/files\/styles\/740xx_scale\/public\/images\/oded.jpg?itok=5s-Nrdpn"}}},"media_ids":["603467"],"groups":[{"id":"1279","name":"School of Mathematics"},{"id":"1278","name":"College of Sciences"}],"categories":[],"keywords":[{"id":"173647","name":"_for_math_site_"},{"id":"174125","name":"IBM Research"},{"id":"168854","name":"School of Mathematics"},{"id":"4896","name":"College of Sciences"},{"id":"177325","name":"Oded Margalit"}],"core_research_areas":[],"news_room_topics":[],"event_categories":[],"invited_audience":[{"id":"78761","name":"Faculty\/Staff"},{"id":"78771","name":"Public"},{"id":"174045","name":"Graduate students"},{"id":"78751","name":"Undergraduate students"}],"affiliations":[],"classification":[],"areas_of_expertise":[],"news_and_recent_appearances":[],"phone":[],"contact":[{"value":"\u003Cp\u003E\u003Ca href=\u0022http:\/\/math.gatech.edu\/people\/prasad-tetali\u0022\u003EPrasad Tetali\u003C\/a\u003E\u003C\/p\u003E\r\n","format":"limited_html"}],"email":[],"slides":[],"orientation":[],"userdata":""}}}