{"id":120,"date":"2014-06-26T09:47:39","date_gmt":"2014-06-26T14:47:39","guid":{"rendered":"https:\/\/uwm.edu\/math\/?page_id=120"},"modified":"2026-03-04T16:38:48","modified_gmt":"2026-03-04T22:38:48","slug":"topology","status":"publish","type":"page","link":"https:\/\/uwm.edu\/math\/research\/topology\/","title":{"rendered":"Topology"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" id=\"a1\">Research&nbsp;Topics<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Geometric Topology<\/li>\n\n\n\n<li>Geometric Topology Workshop<\/li>\n\n\n\n<li>Geometric Group Theory<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-embed-handler wp-block-embed-embed-handler wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Infinite Groups in Geometric Topology, Part 1\" width=\"1400\" height=\"788\" src=\"https:\/\/www.youtube.com\/embed\/HUtDv6cDRr8?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-faculty\">Faculty<\/h2>\n\n\n<div class=\"facetwp-template\"><div id=\"uwmpeople-container\" class=\"uwmpeople-grid\"><div id=\"uwmpeople-grid\" class=\"uwm-l-grid uwm-l-grid--5 uwm-u-mb-40\" aria-hidden=\"false\"><div class=\"uwmpeople-person uwm-u-mb-40\" data-catlist=\"142, 158\"><div class=\"people-image\"><a href=\"https:\/\/uwm.edu\/math\/about\/directory\/gaster-jonah\/\"><img decoding=\"async\" class=\"attachment-medium size-medium wp-post-image\" src=\"https:\/\/web.uwm.edu\/ls-people\/file\/gaster.webp?ver=\" sizes=\"(max-width: 250px) 100vw, 250px\" width=\"300\" \/><\/a><\/div><div class=\"people-info\"><div class=\"people-name\"><strong><a href=\"https:\/\/uwm.edu\/math\/about\/directory\/gaster-jonah\/\">Gaster, Jonah <\/a><\/strong><\/div><div class=\"uwm-u-my-0\"><ul class=\"people-title-dept uwm-c-list--cleanlist\"><li><strong>Associate Professor<\/strong>, <em>Mathematical Sciences<\/em><\/li><\/ul><\/div><ul class=\"people-contact uwm-c-list--cleanlist\"><li class=\"people-email\"><a href=\"mailto:gaster@uwm.edu\">gaster@uwm.edu<\/a><\/li><li class=\"people-phone\"><a href=\"tel:4142295264\">414-229-5264<\/a><\/li><\/ul><\/div><\/div><div class=\"uwmpeople-person uwm-u-mb-40\" data-catlist=\"142, 158\"><div class=\"people-image\"><a href=\"https:\/\/uwm.edu\/math\/about\/directory\/guilbault-craig\/\"><img decoding=\"async\" class=\"attachment-medium size-medium wp-post-image\" src=\"https:\/\/web.uwm.edu\/ls-people\/file\/craigg.webp?ver=e2b4c262a66a01c1e287429d5906cd27\" sizes=\"(max-width: 250px) 100vw, 250px\" width=\"300\" \/><\/a><\/div><div class=\"people-info\"><div class=\"people-name\"><strong><a href=\"https:\/\/uwm.edu\/math\/about\/directory\/guilbault-craig\/\">Guilbault, Craig <\/a><\/strong><\/div><div class=\"uwm-u-my-0\"><ul class=\"people-title-dept uwm-c-list--cleanlist\"><li><strong>Professor<\/strong>, <em>Mathematical Sciences<\/em><\/li><\/ul><\/div><ul class=\"people-contact uwm-c-list--cleanlist\"><li class=\"people-email\"><a href=\"mailto:craigg@uwm.edu\">craigg@uwm.edu<\/a><\/li><li class=\"people-phone\"><a href=\"tel:4142294568\">414-229-4568<\/a><\/li><\/ul><\/div><\/div><div class=\"uwmpeople-person uwm-u-mb-40\" data-catlist=\"142, 158\"><div class=\"people-image\"><a href=\"https:\/\/uwm.edu\/math\/about\/directory\/hruska-christopher\/\"><img decoding=\"async\" class=\"attachment-medium size-medium wp-post-image\" src=\"https:\/\/web.uwm.edu\/ls-people\/file\/chruska.webp?ver=afc0f156a1560b816646f21cf02b6e64\" sizes=\"(max-width: 250px) 100vw, 250px\" width=\"300\" \/><\/a><\/div><div class=\"people-info\"><div class=\"people-name\"><strong><a href=\"https:\/\/uwm.edu\/math\/about\/directory\/hruska-christopher\/\">Hruska, Christopher <\/a><\/strong><\/div><div class=\"uwm-u-my-0\"><ul class=\"people-title-dept uwm-c-list--cleanlist\"><li><strong>Professor<\/strong>, <em>Mathematical Sciences<\/em><\/li><\/ul><\/div><ul class=\"people-contact uwm-c-list--cleanlist\"><li class=\"people-email\"><a href=\"mailto:chruska@uwm.edu\">chruska@uwm.edu<\/a><\/li><li class=\"people-phone\"><a href=\"tel:4142519488\">414-251-9488<\/a><\/li><\/ul><\/div><\/div><div class=\"uwmpeople-person uwm-u-mb-40\" data-catlist=\"142, 158\"><div class=\"people-image\"><a href=\"https:\/\/uwm.edu\/math\/about\/directory\/okun-boris\/\"><img decoding=\"async\" class=\"attachment-medium size-medium wp-post-image\" src=\"https:\/\/web.uwm.edu\/ls-people\/file\/okun.webp?ver=\" sizes=\"(max-width: 250px) 100vw, 250px\" width=\"300\" \/><\/a><\/div><div class=\"people-info\"><div class=\"people-name\"><strong><a href=\"https:\/\/uwm.edu\/math\/about\/directory\/okun-boris\/\">Okun, Boris <\/a><\/strong><\/div><div class=\"uwm-u-my-0\"><ul class=\"people-title-dept uwm-c-list--cleanlist\"><li><strong>Professor<\/strong>, <em>Mathematical Sciences<\/em><\/li><\/ul><\/div><ul class=\"people-contact uwm-c-list--cleanlist\"><li class=\"people-email\"><a href=\"mailto:okun@uwm.edu\">okun@uwm.edu<\/a><\/li><li class=\"people-phone\"><a href=\"tel:4142293529\">414-229-3529<\/a><\/li><\/ul><\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Research&nbsp;Topics Faculty<\/p>\n","protected":false},"author":28,"featured_media":0,"parent":78,"menu_order":8,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":"","uwm_wg_additional_authors":[]},"class_list":["post-120","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Mathematical Sciences<\/title>\n<meta name=\"robots\" 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