{"id":917,"date":"2014-09-01T01:00:41","date_gmt":"2014-09-01T01:00:41","guid":{"rendered":"http:\/\/blogs.ams.org\/visualinsight\/?p=917"},"modified":"2015-07-29T00:50:19","modified_gmt":"2015-07-29T00:50:19","slug":"intersection-of-337-honeycomb-and-the-plane-at-infinity","status":"publish","type":"post","link":"https:\/\/blogs.ams.org\/visualinsight\/2014\/09\/01\/intersection-of-337-honeycomb-and-the-plane-at-infinity\/","title":{"rendered":"{3,3,7} Honeycomb Meets Plane at Infinity"},"content":{"rendered":"<div align=\"center\">\n<div id=\"attachment_969\" style=\"width: 606px\" class=\"wp-caption alignnone\"><a href=\"http:\/\/blogs.ams.org\/visualinsight\/files\/2014\/06\/337_plane_at_infinity.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-969\" src=\"http:\/\/blogs.ams.org\/visualinsight\/files\/2014\/06\/337_plane_at_infinity.png\" alt=\"Intersection of {3,3,7} and the Plane at Infinity - Roice Nelson\" width=\"600\" height=\"600\" class=\"size-full wp-image-969\" srcset=\"https:\/\/blogs.ams.org\/visualinsight\/files\/2014\/06\/337_plane_at_infinity.png 600w, https:\/\/blogs.ams.org\/visualinsight\/files\/2014\/06\/337_plane_at_infinity-150x150.png 150w, https:\/\/blogs.ams.org\/visualinsight\/files\/2014\/06\/337_plane_at_infinity-300x300.png 300w, https:\/\/blogs.ams.org\/visualinsight\/files\/2014\/06\/337_plane_at_infinity-50x50.png 50w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/a><p id=\"caption-attachment-969\" class=\"wp-caption-text\">Intersection of {3,3,7} and the Plane at Infinity &#8211; Roice Nelson<\/p><\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<p>The <b>{3,3,7} honeycomb<\/b> is a honeycomb in 3d hyperbolic space.  It is the dual of the {7,3,3} honeycomb shown last time:<\/p>\n<p>&bull; <a href=\"http:\/\/blogs.ams.org\/visualinsight\/2014\/08\/01\/733-honeycomb\">{7,3,3} honeycomb<\/a>.<\/p>\n<p>The image above, drawn by Roice Nelson, shows the &#8216;boundary&#8217; of the {3,3,7} honeycomb: that is, the set of points on the &#8216;plane at infinity&#8217; of hyperbolic space that are limits of points in the {3,3,7} honeycomb.<\/p>\n<p>Roice Nelson, the creator of this image, has a blog with lots of articles about geometry, and he makes plastic models of interesting geometrical objects using a 3d printer:<\/p>\n<p>\u2022 <a href=\"http:\/\/roice3.blogspot.sg\/\">Roice<\/a>.<\/p>\n<hr \/>\n<p><i>Visual Insight<\/i> is a place to share striking images that help explain advanced topics in mathematics. I\u2019m always looking for truly beautiful images, so if you know about one, please drop a comment <a href=\"http:\/\/blogs.ams.org\/visualinsight\/about-visual-insight\/\">here<\/a> and let me know!<\/p>\n<div style=\"margin-top: 0px; margin-bottom: 0px;\" class=\"sharethis-inline-share-buttons\" ><\/div>","protected":false},"excerpt":{"rendered":"<p>The <b>{3,3,7} honeycomb<\/b> is a honeycomb in 3d hyperbolic space.  It is the dual of the {7,3,3} honeycomb shown <a href=\"http:\/\/blogs.ams.org\/visualinsight\/2014\/08\/01\/733-honeycomb\">last time<\/a>.  This image, drawn by Roice Nelson, shows the &#8216;boundary&#8217; of the {3,3,7} honeycomb: that is, the set of points on the &#8216;plane at infinity&#8217; that are limits of points in the {3,3,7} honeycomb.<\/p>\n<div style=\"margin-top: 0px; margin-bottom: 0px;\" class=\"sharethis-inline-share-buttons\" data-url=https:\/\/blogs.ams.org\/visualinsight\/2014\/09\/01\/intersection-of-337-honeycomb-and-the-plane-at-infinity\/><\/div>\n","protected":false},"author":66,"featured_media":969,"comment_status":"open","ping_status":"closed","sticky":true,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[9,2],"tags":[],"class_list":["post-917","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-honeycombs","category-images-library"],"jetpack_featured_media_url":"https:\/\/blogs.ams.org\/visualinsight\/files\/2014\/06\/337_plane_at_infinity.png","jetpack_shortlink":"https:\/\/wp.me\/p42Vmc-eN","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/blogs.ams.org\/visualinsight\/wp-json\/wp\/v2\/posts\/917","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.ams.org\/visualinsight\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.ams.org\/visualinsight\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.ams.org\/visualinsight\/wp-json\/wp\/v2\/users\/66"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.ams.org\/visualinsight\/wp-json\/wp\/v2\/comments?post=917"}],"version-history":[{"count":16,"href":"https:\/\/blogs.ams.org\/visualinsight\/wp-json\/wp\/v2\/posts\/917\/revisions"}],"predecessor-version":[{"id":1045,"href":"https:\/\/blogs.ams.org\/visualinsight\/wp-json\/wp\/v2\/posts\/917\/revisions\/1045"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blogs.ams.org\/visualinsight\/wp-json\/wp\/v2\/media\/969"}],"wp:attachment":[{"href":"https:\/\/blogs.ams.org\/visualinsight\/wp-json\/wp\/v2\/media?parent=917"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.ams.org\/visualinsight\/wp-json\/wp\/v2\/categories?post=917"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.ams.org\/visualinsight\/wp-json\/wp\/v2\/tags?post=917"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}