{"id":14785,"date":"2025-01-14T09:48:37","date_gmt":"2025-01-14T15:48:37","guid":{"rendered":"https:\/\/uwm.edu\/math\/?post_type=tribe_events&p=14785"},"modified":"2025-02-10T13:00:30","modified_gmt":"2025-02-10T19:00:30","slug":"alastair-fletcher","status":"publish","type":"tribe_events","link":"https:\/\/uwm.edu\/math\/event\/alastair-fletcher\/","title":{"rendered":"Colloquium: Prof. Alastair Fletcher"},"content":{"rendered":"

\"\"<\/p>\n

Infinitesimal Spaces of Quasiregular Mappings<\/h1>\n

Prof. Alastair Fletcher
\nProfessor of Mathematical Sciences and Director of Undergraduate Studies
\nNorthern Illinois University<\/p>\n

How can we differentiate functions which are not differentiable? In the context of quasiregular mappings, a generalization of holomorphic functions where now infinitesimal circles are mapped to infinitesimal ellipses, there is a satisfactory answer to this question given by infinitesimal spaces. In this talk, we will survey these objects and discuss some ongoing work with relevance to the Decomposition Problem for bi-Lipschitz maps.<\/p>\n","protected":false},"excerpt":{"rendered":"

Infinitesimal Spaces of Quasiregular Mappings Prof. Alastair Fletcher Professor of Mathematical Sciences and Director of Undergraduate Studies Northern Illinois University How can we differentiate functions which are not differentiable? In the context of quasiregular mappings, a generalization of holomorphic functions …<\/p>\n","protected":false},"author":30222,"featured_media":0,"template":"","meta":{"_acf_changed":false,"_tribe_events_status":"","_tribe_events_status_reason":"","_tribe_events_is_hybrid":"","_tribe_events_is_virtual":"","_tribe_events_virtual_video_source":"","_tribe_events_virtual_embed_video":"","_tribe_events_virtual_linked_button_text":"","_tribe_events_virtual_linked_button":"","_tribe_events_virtual_show_embed_at":"","_tribe_events_virtual_show_embed_to":[],"_tribe_events_virtual_show_on_event":"","_tribe_events_virtual_show_on_views":"","_tribe_events_virtual_url":"","footnotes":"","uwm_wg_additional_authors":[]},"tags":[],"tribe_events_cat":[41],"class_list":["post-14785","tribe_events","type-tribe_events","status-publish","hentry","tribe_events_cat-colloquia","cat_colloquia"],"yoast_head":"\nMathematical Sciences<\/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:\/\/uwm.edu\/math\/event\/alastair-fletcher\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Colloquium: Prof. Alastair Fletcher\" \/>\n<meta property=\"og:description\" content=\"Infinitesimal Spaces of Quasiregular Mappings Prof. Alastair Fletcher Professor of Mathematical Sciences and Director of Undergraduate Studies Northern Illinois University How can we differentiate functions which are not differentiable? 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