{"id":3618,"date":"2020-12-16T13:19:16","date_gmt":"2020-12-16T18:19:16","guid":{"rendered":"http:\/\/matroidunion.org\/?p=3618"},"modified":"2021-10-12T21:57:45","modified_gmt":"2021-10-13T01:57:45","slug":"blog-content-from-2020","status":"publish","type":"post","link":"https:\/\/matroidunion.org\/?p=3618","title":{"rendered":"Blog content from 2020"},"content":{"rendered":"\n<p>This post contains a list of our content from 2020 for easy access. The online talks will resume on <strong>January 11 with a talk by Stephan Kreutzer<\/strong> from TU Berlin. Thanks to everyone who participated in the open problems session &#8211; it was great seeing the problems and seeing you there! Have a good winter break.<\/p>\n<p>\u00a0<\/p>\n<p><strong>Blog posts:<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/matroidunion.org\/?p=2541\" rel=\"bookmark\">Short rainbow cycles in graphs and matroids<\/a><\/li>\n<li><strong><a href=\"https:\/\/matroidunion.org\/?p=2628\" rel=\"bookmark\">The geometry of cocircuits and circuits. A tombeau for Henry Crapo 1933 \u2014 2019<\/a><\/strong><\/li>\n<li><a href=\"https:\/\/matroidunion.org\/?p=2693\" rel=\"bookmark\">Carmesin\u2019s 3-dimensional version of Whitney\u2019s planarity criterion<\/a><\/li>\n<li><a href=\"https:\/\/matroidunion.org\/?p=2750\" rel=\"bookmark\">Almost every sparse paving matroid contains\u00a0M(K4)\u00a0or\u00a0W3\u00a0as a minor<\/a><\/li>\n<li><a href=\"https:\/\/matroidunion.org\/?p=2802\" rel=\"bookmark\">The World of Clean Clutters, I: Ideal Clutters<\/a><\/li>\n<li><a href=\"https:\/\/matroidunion.org\/?p=3244\" rel=\"bookmark\">The rank-3 excluded minors for GF(5)-representability<\/a><\/li>\n<li><a href=\"https:\/\/matroidunion.org\/?p=3518\" rel=\"bookmark\">The\u00a0q-analogue of a matroid<\/a><\/li>\n<\/ul>\n<p>\u00a0<\/p>\n<p><strong>Online talks <\/strong>[also see the <strong><a href=\"https:\/\/youtube.com\/playlist?list=PL_x-9BL_zf4E6rsM9-9Gk6ft8H3t-ylCr\">Youtube playlist<\/a>]:<\/strong><\/p>\n<div>April 16: James Oxley, <a href=\"https:\/\/matroidunion.org\/?p=2492\">The binary matroids with no odd circuits of size exceeding five<\/a><\/div>\n<div>April 27: Dillon Mayhew, <a href=\"https:\/\/matroidunion.org\/?p=2514\">Definability and non-definability for classes of matroids<\/a><\/div>\n<div>\u00a0<\/div>\n<div>May 4: Nathan Bowler, <a href=\"https:\/\/matroidunion.org\/?p=2523\">Quasi-graphic matroids<\/a><\/div>\n<div>May 11: Rudi Pendavingh, <a href=\"https:\/\/matroidunion.org\/?p=2527\">Counting valuated matroid types<\/a><\/div>\n<div>May 25: Peter Nelson, <a href=\"https:\/\/matroidunion.org\/?p=2559\">Extensions and coextensions of cliques<\/a><\/div>\n<div>\u00a0<\/div>\n<div>June 1: Iain Moffatt, <a href=\"https:\/\/matroidunion.org\/?p=2567\">The Tutte polynomial of a delta-matroid and the world of graph polynomials<\/a><br \/>June 8: Relinde Jurrius, <a href=\"https:\/\/matroidunion.org\/?p=2612\">q-Analogues in combinatorics<\/a><\/div>\n<div>June 15: Rutger Campbell, <a href=\"https:\/\/matroidunion.org\/?p=2616\">Matroids doing algebra<\/a><\/div>\n<div>June 22: Matthew Kwan, <a href=\"https:\/\/matroidunion.org\/?p=2621\">Halfway to Rota&#8217;s basis conjecture<\/a><\/div>\n<div>\u00a0<\/div>\n<div>July 6: Marthe Bonamy, <a href=\"https:\/\/matroidunion.org\/?p=2686\">Graph classes and their Asymptotic Dimension<\/a><\/div>\n<div>July 13: Federico Ardila, <a href=\"https:\/\/matroidunion.org\/?p=2720\">Geometry of Matroids<\/a><br \/>July 20: Pascal Gollin, <a href=\"https:\/\/matroidunion.org\/?p=2728\">Obstructions for bounded branch-depth in matroids<\/a><\/div>\n<div>July 27: Zach Walsh, <a href=\"https:\/\/matroidunion.org\/?p=2735\">Quadratically Dense Matroids<\/a><\/div>\n<div>\u00a0<\/div>\n<div>Aug 3: Jim Geelen, <a href=\"https:\/\/matroidunion.org\/?p=2739\">Towards the excluded-minors for GF(5)-representability<\/a><br \/>Aug 10: Yelena Yuditsky, <a href=\"https:\/\/matroidunion.org\/?p=2744\">Typical structure of hereditary graph families<\/a><br \/>Aug 17: Sophie Spirkl, <a href=\"https:\/\/matroidunion.org\/?p=2767\">A graph-based introduction to the chromatic symmetric function<\/a><\/div>\n<div>Aug 24: Ahmad Abdi, <a href=\"https:\/\/matroidunion.org\/?p=2774\">Ideal clutters and dyadic fractional packings<\/a><\/div>\n<div>Aug 31: Tony Huynh, <a href=\"https:\/\/matroidunion.org\/?p=2791\">Subgraph densities in a surface<\/a><\/div>\n<div>\u00a0<\/div>\n<div>Sep 7: Matt Baker, <a href=\"https:\/\/matroidunion.org\/?p=2876\">Foundations of Matroids without Large Uniform Minors, Part 1<\/a><\/div>\n<div>Sep 14: Oliver Lorscheid, <a href=\"https:\/\/matroidunion.org\/?p=3019\">Foundations of Matroids without Large Uniform Minors, Part 2<\/a>\u00a0<\/div>\n<div>Sep 25<strong>:<\/strong> Alexey Pokrovskiy,<a href=\"https:\/\/matroidunion.org\/?p=3195\"> Rota&#8217;s Basis Conjecture holds asymptotically<\/a><\/div>\n<div>Sep 28: Daniel Cranston,<a href=\"https:\/\/matroidunion.org\/?p=3202\"> Vertex Partitions into an Independent Set and a Forest with Each Component Small<\/a><\/div>\n<div>\u00a0<\/div>\n<div>Oct 5: Lorenzo Traldi, <a href=\"https:\/\/matroidunion.org\/?p=3220\">Isotropic matroids and circle graphs<\/a><\/div>\n<div>Oct 19: Erik Panzer, <a href=\"https:\/\/matroidunion.org\/?p=3234\">The Hepp bound of a matroid: flags, volumes and integrals<\/a><\/div>\n<div>Oct 26: Rose McCarty, <a href=\"https:\/\/matroidunion.org\/?p=3267\">Colouring pseudo-visibility graphs<\/a><\/div>\n<div>\u00a0<\/div>\n<div>Nov 2: Attila Jo\u00f3, <a href=\"https:\/\/matroidunion.org\/?p=3432\">The Matroid Intersection Conjecture of Nash-Williams<\/a><\/div>\n<div>Nov 9: James Davies, <a href=\"https:\/\/matroidunion.org\/?p=3445\">Geometric intersection graphs with large girth and chromatic number<\/a><\/div>\n<div>Nov 16: Jakob Kneip, <a href=\"https:\/\/matroidunion.org\/?p=3471\">Tangles are decided by weighted vertex sets<\/a><\/div>\n<div>Nov 23: Sarah Allred, <a href=\"https:\/\/matroidunion.org\/?p=3483\">Unavoidable induced subgraphs of large 2-connected graphs<\/a><\/div>\n<div>Nov 30: Johannes Carmesin, <a href=\"https:\/\/matroidunion.org\/?p=3499\">Matroids and embedding graphs in surfaces<\/a><\/div>\n<div>\u00a0<\/div>\n<div>Dec 7: Sergey Norin, <a href=\"https:\/\/matroidunion.org\/?p=3512\">Densities of minor-closed graph classes\u00a0<\/a>\u00a0<\/div>\n<div>Dec 14: <a href=\"https:\/\/matroidunion.org\/?p=3583\"><strong>Open problems session<\/strong><\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>This post contains a list of our content from 2020 for easy access. The online talks will resume on January 11 with a talk by Stephan Kreutzer from TU Berlin. Thanks to everyone who participated in the open problems session &hellip; <a href=\"https:\/\/matroidunion.org\/?p=3618\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":19,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3618","post","type-post","status-publish","format-standard","hentry","category-matroids"],"_links":{"self":[{"href":"https:\/\/matroidunion.org\/index.php?rest_route=\/wp\/v2\/posts\/3618","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/matroidunion.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/matroidunion.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/matroidunion.org\/index.php?rest_route=\/wp\/v2\/users\/19"}],"replies":[{"embeddable":true,"href":"https:\/\/matroidunion.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3618"}],"version-history":[{"count":17,"href":"https:\/\/matroidunion.org\/index.php?rest_route=\/wp\/v2\/posts\/3618\/revisions"}],"predecessor-version":[{"id":4371,"href":"https:\/\/matroidunion.org\/index.php?rest_route=\/wp\/v2\/posts\/3618\/revisions\/4371"}],"wp:attachment":[{"href":"https:\/\/matroidunion.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3618"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/matroidunion.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3618"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/matroidunion.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3618"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}