{"72824":{"#nid":"72824","#data":{"type":"event","title":"ARC Colloquium: Tong Zhang, Rutgers University","body":[{"value":"\u003Cp\u003EAbstract:\u003C\/p\u003E\u003Cp\u003EI will talk about recovery results for some sparsity related regularization problems under stochastic noise. \u003C\/p\u003E\u003Cp\u003EFirst, I will discuss standard sparsity, and focus on results under different conditions for relaxation methods (including Lasso) versus greedy algorithms (including orthogonal matching pursuit).\u0026nbsp;\u003C\/p\u003E\u003Cp\u003ESecond, I will discuss results for more complexity vector regularization formulations with structured sparsity.\u003Cbr \/\u003EThird, I will present some recent results for mixed sparsity and low-rank matrix regularization.\u003C\/p\u003E","summary":null,"format":"limited_html"}],"field_subtitle":"","field_summary":"","field_summary_sentence":[{"value":"Recovery analysis for some sparsity related regularization problems"}],"uid":"27263","created_gmt":"2011-11-16 12:41:04","changed_gmt":"2016-10-08 01:56:37","author":"Elizabeth Ndongi","boilerplate_text":"","field_publication":"","field_article_url":"","field_event_time":{"event_time_start":"2010-10-28T14:30:00-04:00","event_time_end":"2010-10-28T14:30:00-04:00","event_time_end_last":"2010-10-28T14:30:00-04:00","gmt_time_start":"2010-10-28 18:30:00","gmt_time_end":"2010-10-28 18:30:00","gmt_time_end_last":"2010-10-28 18:30:00","rrule":null,"timezone":"America\/New_York"},"extras":[],"groups":[{"id":"70263","name":"ARC"}],"categories":[],"keywords":[],"core_research_areas":[],"news_room_topics":[],"event_categories":[{"id":"1795","name":"Seminar\/Lecture\/Colloquium"}],"invited_audience":[],"affiliations":[],"classification":[],"areas_of_expertise":[],"news_and_recent_appearances":[],"phone":[],"contact":[{"value":"\u003Cp\u003EElizabeth Ndongi\u003C\/p\u003E","format":"limited_html"}],"email":[],"slides":[],"orientation":[],"userdata":""}}}