{"id":905,"date":"2023-07-10T14:52:36","date_gmt":"2023-07-10T05:52:36","guid":{"rendered":"https:\/\/www.elst.okayama-u.ac.jp\/en\/?page_id=905"},"modified":"2025-06-10T15:40:54","modified_gmt":"2025-06-10T06:40:54","slug":"areas01_data","status":"publish","type":"page","link":"https:\/\/www.elst.okayama-u.ac.jp\/en\/education\/mc-suuri\/areas01_data\/","title":{"rendered":"Mathematical Science for Data Engineering"},"content":{"rendered":"<h4>&nbsp;<\/h4>\n<p><span style=\"font-size: 12pt\">We develop mathematical theories (topology, dynamical systems, etc.), methods, and software for data analysis and utilization and apply them to various fields such as materials science, geology, meteorology, and life science.<\/span><\/p>\n<table class=\"el_table_fix\" style=\"width: 100%\">\n<tbody>\n<tr>\n<th style=\"width: 20%\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium\" src=\"https:\/\/www.elst.okayama-u.ac.jp\/up_load_files\/areas\/areas01_data\/OBAYASHI Ippei.jpg\" width=\"320\" height=\"408\"><\/th>\n<td style=\"width: 80%\">\n<ul>\n<li style=\"list-style-type: none;font-size: 12px;margin-left: -20px\"><span style=\"font-size: 12pt\">Prof. OBAYASHI Ippei<\/span><\/li>\n<li style=\"list-style-type: none;font-size: 12px;margin-left: -20px\"><span style=\"font-size: 12pt\">E-mail: i.obayashi <span style=\"color: #0000ff\">[at]<\/span> okayama-u.ac.jp<\/span><\/li>\n<li style=\"list-style-type: none;font-size: 12px;margin-left: -20px\"><span style=\"font-size: 12pt\">Topological data analysis \/ persistent homology \/ applied mathematics&nbsp;<br \/>\n<\/span><\/li>\n<\/ul>\n<p><span style=\"font-size: 12pt\"><a class=\"el_linkBtn\" href=\"https:\/\/soran.cc.okayama-u.ac.jp\/html\/3425c216b85eda1e8c2fc0f9228a80e5_en.html\">Directory of Researchers<\/a> \u3000<a class=\"el_linkBtn\" href=\"https:\/\/i-obayashi.info\">Link to homepage<\/a><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/www.elst.okayama-u.ac.jp\/up_load_files\/areas\/areas01_data\/img_OBAYASHI.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright\" src=\"https:\/\/www.elst.okayama-u.ac.jp\/up_load_files\/areas\/areas01_data\/img_OBAYASHI.png\" alt=\"\" width=\"266\" height=\"203\"><\/a><\/p>\n<p>I work on topological data analysis, especially persistent homology. We develop from mathematical theory, data analysis methods, and software to applications to materials science and other fields about persistent homology.<\/p>\n<p>&nbsp;<\/p>\n<table class=\"el_table_fix\" style=\"width: 100%\">\n<tbody>\n<tr>\n<th style=\"width: 20%\">&nbsp;<\/th>\n<td style=\"width: 80%\">\n<ul>\n<li style=\"list-style-type: none;font-size: 12px;margin-left: -20px\"><span style=\"font-size: 12pt\">Senior Asst. Prof. NAKAI Kengo<\/span><\/li>\n<li style=\"list-style-type: none;font-size: 12px;margin-left: -20px\"><span style=\"font-size: 12pt\">E-mail: <span id=\"content_ousdb1_lp$002fitem$005b1$005d$002fsys_mail\">p1ac1dij<span style=\"color: #0000ff\"> [at]<\/span> <\/span>okayama-u.ac.jp<\/span><\/li>\n<li style=\"list-style-type: none;font-size: 12px;margin-left: -20px\"><span style=\"font-size: 12pt\">applied mathematics\/machine learning\n<p><\/span><\/li>\n<\/ul>\n<p><span style=\"font-size: 12pt\"><a class=\"el_linkBtn\" href=\"https:\/\/soran.cc.okayama-u.ac.jp\/html\/ecd2b4d4f70319f33c8f9ec0ed19d09f_en.html\">Directory of Researchers<\/a><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h5>&nbsp;<\/h5>\n<p><a href=\"https:\/\/www.elst.okayama-u.ac.jp\/up_load_files\/areas\/areas01_data\/img_NAKAI.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright\" src=\"https:\/\/www.elst.okayama-u.ac.jp\/up_load_files\/areas\/areas01_data\/img_NAKAI.png\" alt=\"\" width=\"230\" height=\"146\"><\/a>We are working on constructing data-driven weather models that can make predictions exceeding the predictive performance of existing weather models, and on clarifying what can be learnt by machine learning.&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; We develop mathematical theories (topology, dynamical systems, etc.), methods, and software for data an [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"parent":140,"menu_order":39,"comment_status":"closed","ping_status":"closed","template":"template-layout_single.php","meta":{"footnotes":""},"class_list":["post-905","page","type-page","status-publish","hentry"],"aioseo_notices":[],"publishpress_future_action":{"enabled":false,"date":"2026-05-16 20:18:39","action":"change-status","newStatus":"draft","terms":[],"taxonomy":"","extraData":[]},"publishpress_future_workflow_manual_trigger":{"enabledWorkflows":[]},"_links":{"self":[{"href":"https:\/\/www.elst.okayama-u.ac.jp\/en\/wp-json\/wp\/v2\/pages\/905","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.elst.okayama-u.ac.jp\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.elst.okayama-u.ac.jp\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.elst.okayama-u.ac.jp\/en\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.elst.okayama-u.ac.jp\/en\/wp-json\/wp\/v2\/comments?post=905"}],"version-history":[{"count":8,"href":"https:\/\/www.elst.okayama-u.ac.jp\/en\/wp-json\/wp\/v2\/pages\/905\/revisions"}],"predecessor-version":[{"id":3174,"href":"https:\/\/www.elst.okayama-u.ac.jp\/en\/wp-json\/wp\/v2\/pages\/905\/revisions\/3174"}],"up":[{"embeddable":true,"href":"https:\/\/www.elst.okayama-u.ac.jp\/en\/wp-json\/wp\/v2\/pages\/140"}],"wp:attachment":[{"href":"https:\/\/www.elst.okayama-u.ac.jp\/en\/wp-json\/wp\/v2\/media?parent=905"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}