{"id":33,"date":"2022-01-10T09:43:23","date_gmt":"2022-01-10T09:43:23","guid":{"rendered":"https:\/\/dimag.ibs.re.kr\/home\/duksang\/?page_id=33"},"modified":"2022-10-18T02:36:19","modified_gmt":"2022-10-18T02:36:19","slug":"33-2","status":"publish","type":"page","link":"https:\/\/dimag.ibs.re.kr\/home\/duksang\/","title":{"rendered":"Home"},"content":{"rendered":"\n<p>I\u2019m a Ph.D. student at the Department of Mathematical Sciences in KAIST and the Discrete Mathematics Group (<a href=\"https:\/\/dimag.ibs.re.kr\/\">DIMAG<\/a>) in the Institute for Basic Science (IBS). My supervisor is&nbsp;<a href=\"https:\/\/dimag.ibs.re.kr\/home\/sangil\/\">Sang-il Oum<\/a>.&nbsp;<\/p>\n\n\n\n<p>My research interests are about graphs, matroids, and delta-matroids, especially, vertex-minors and pivot-minors of graphs, and structural properties of a minor-closed class of matroids and delta-matroids.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"has-text-align-center wp-block-heading\">Papers<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Submitted<\/h3>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<ul class=\"wp-block-list\"><li>Non-smooth and H\u00f6lder-smooth submodular maximization (with <a href=\"https:\/\/namho-nguyen.github.io\">Nam Ho-Nguyen<\/a>, <a href=\"https:\/\/dabeenl.github.io\">Dabeen Lee<\/a>), arXiv:2210.06061, 2022<\/li><li><em>\u0393<\/em>-graphic delta-matroids and their applications (with Donggyu Kim, <a href=\"https:\/\/dimag.ibs.re.kr\/home\/sangil\/\">Sang-il Oum<\/a>), <a href=\"https:\/\/arxiv.org\/abs\/2104.11383\">arXiv:2104.11383<\/a>, In the Proceedings of the\u00a0<a href=\"https:\/\/tcs.inf.kyushu-u.ac.jp\/isaac2021\/\">32nd International Symposium on Algorithms and Computation (ISAAC2021, December 6-8, 2021, Fukuoka, Japan)<\/a>, accepted, 2021.<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li>A chain theorem for sequentially 3-rank-connected graphs with respect to vertex-minors (with <a href=\"https:\/\/dimag.ibs.re.kr\/home\/sangil\/\">Sang-il Oum<\/a>), <a href=\"https:\/\/arxiv.org\/abs\/2110.10390\">arXiv:2110.10390<\/a>, 2021.<\/li><\/ul>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Accepted<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Characterizing matroids whose bases form graphic delta-matroids (with <a href=\"https:\/\/dimag.ibs.re.kr\/home\/sangil\/\">Sang-il Oum<\/a>), <a href=\"https:\/\/arxiv.org\/abs\/2007.13298\">arXiv:2007.13298<\/a>, 2020, European J. Combin.,&nbsp;<strong>101<\/strong>:103476, March 2022, <a href=\"https:\/\/doi.org\/10.1016\/j.ejc.2021.103476\">https:\/\/doi.org\/10.1016\/j.ejc.2021.103476 <\/a><\/li><li>Intertwining Connectivities for vertex-minors and pivot-minors (with <a href=\"https:\/\/dimag.ibs.re.kr\/home\/sangil\/\">Sang-il Oum<\/a>), <a href=\"https:\/\/arxiv.org\/abs\/2106.03414\">arXiv:2106.03414<\/a>, 2021, SIAM J. Discrete Math.<\/li><\/ul>\n\n\n\n<h2 class=\"has-text-align-center wp-block-heading\">Talks<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">2022<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>A chain theorem for sequentially 3-rank-connected graphs with respect to vertex-minors, <a href=\"https:\/\/www.kms.or.kr\/md_meet\/main.html?period=78\"><em>2022 KMS Spring Meeting<\/em><\/a>\u00a0\u00a0(April 28-29), Online, Korea.<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2021<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li><em>\u0393<\/em>-graphic delta-matroids and their applications, <a href=\"https:\/\/tcs.inf.kyushu-u.ac.jp\/isaac2021\/\"><em>32nd International Symposium on Algorithms and Computation (ISAAC 2021)<\/em><\/a>&nbsp;(December 6-8), Fukuoka, Japan.<\/li><li>Intertwining Connectivities for vertex-minors and pivot-minors, <a href=\"https:\/\/dimag.ibs.re.kr\/event\/2021-08-10\/\">Discrete Math Seminar<\/a>(August 10), IBS Discrete Mathematics Group, Daejeon, Korea.<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2020<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Characterizing matroids whose bases form graphic delta-matroids, <a href=\"https:\/\/dimag.ibs.re.kr\/event\/2020-11-24\/\">Discrete Math Seminar<\/a>(November 24), IBS Discrete Mathematics Group, Daejeon, Korea.<\/li><li>Characterizing matroids whose bases form graphic delta-matroids, <a href=\"https:\/\/www.kms.or.kr\/meetings\/fall2020\/\">2020 KMS Annual Meeting<\/a>(October 23-24), Online, Korea.<\/li><\/ul>\n\n\n\n<h2 class=\"has-text-align-center wp-block-heading\">Contact<\/h2>\n\n\n\n<p>E-mail: <\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>&#100;&#x75;k&#115;&#x61;n&#103;&#x40;k&#x61;&#x69;&#115;&#x74;&#46;&#97;&#x63;&#46;&#107;&#x72;<\/li><li>&#x65;&#106;r&#x74;&#x6b;&#100;0&#x34;&#x31;&#50;&#64;&#x6e;&#97;v&#x65;&#x72;&#46;c&#x6f;&#x6d;<\/li><\/ol>\n\n\n\n<p>Address:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>B219 Theory Building IBS, 55 Expo-ro Yuseong-gu Daejeon 34126 South Korea<\/li><li>3427 Natural Science Building KAIST, 291 Daehak-ro Yuseong-gu Daejeon 34141 South Korea<\/li><\/ol>\n","protected":false},"excerpt":{"rendered":"<p>I\u2019m a Ph.D. student at the Department of Mathematical Sciences in KAIST and the Discrete Mathematics Group (DIMAG) in the&hellip;<\/p>\n","protected":false},"author":14,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-33","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - 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