{"id":97,"date":"2020-04-16T03:06:16","date_gmt":"2020-04-16T03:06:16","guid":{"rendered":"http:\/\/blogs.rollins.edu\/graphembeddings\/?page_id=97"},"modified":"2020-05-05T09:43:12","modified_gmt":"2020-05-05T09:43:12","slug":"embedding-complete-bipartite-graphs-with-cayley-maps","status":"publish","type":"page","link":"https:\/\/blogs.rollins.edu\/graphembeddings\/","title":{"rendered":"Embedding Complete Bipartite Graphs with Cayley Maps"},"content":{"rendered":"\n\n\n\n\n<p>Our ability to replicate the optimal genera when embedding complete bipartite graphs onto orientable surfaces varied <em>(See Table Below)<\/em>. Though with <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blogs.rollins.edu\/graphembeddings\/wp-content\/ql-cache\/quicklatex.com-42034a7fb78482c730f3dc321d34eb7a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#75;&#95;&#123;&#50;&#44;&#50;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"33\" style=\"vertical-align: -6px;\"\/> and <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blogs.rollins.edu\/graphembeddings\/wp-content\/ql-cache\/quicklatex.com-abb04cbdb7a51e4fd305d7c8939dab77_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#75;&#95;&#123;&#51;&#44;&#51;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"33\" style=\"vertical-align: -6px;\"\/> we were able to obtain optimal genera 0 and 1, respectively, we found that it was impossible to obtain an optimal graph embedding for <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blogs.rollins.edu\/graphembeddings\/wp-content\/ql-cache\/quicklatex.com-4157182764139c5ba1133aadc254be0b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#75;&#95;&#123;&#53;&#44;&#53;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"33\" style=\"vertical-align: -6px;\"\/> and <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blogs.rollins.edu\/graphembeddings\/wp-content\/ql-cache\/quicklatex.com-1cd78ae7c8b5e04078239e2ae329082f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#75;&#95;&#123;&#55;&#44;&#55;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"33\" style=\"vertical-align: -6px;\"\/> using Cayley Maps. The smallest orientable surface <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blogs.rollins.edu\/graphembeddings\/wp-content\/ql-cache\/quicklatex.com-4157182764139c5ba1133aadc254be0b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#75;&#95;&#123;&#53;&#44;&#53;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"33\" style=\"vertical-align: -6px;\"\/> can embed using this method is a six-holed torus, and <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blogs.rollins.edu\/graphembeddings\/wp-content\/ql-cache\/quicklatex.com-1cd78ae7c8b5e04078239e2ae329082f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#75;&#95;&#123;&#55;&#44;&#55;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"33\" style=\"vertical-align: -6px;\"\/> can embed, at best, an<br>eight-holed torus. This is likely due to <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blogs.rollins.edu\/graphembeddings\/wp-content\/ql-cache\/quicklatex.com-4157182764139c5ba1133aadc254be0b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#75;&#95;&#123;&#53;&#44;&#53;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"33\" style=\"vertical-align: -6px;\"\/> and <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blogs.rollins.edu\/graphembeddings\/wp-content\/ql-cache\/quicklatex.com-1cd78ae7c8b5e04078239e2ae329082f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#75;&#95;&#123;&#55;&#44;&#55;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"33\" style=\"vertical-align: -6px;\"\/> being larger, and therefore more complex, than <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blogs.rollins.edu\/graphembeddings\/wp-content\/ql-cache\/quicklatex.com-42034a7fb78482c730f3dc321d34eb7a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#75;&#95;&#123;&#50;&#44;&#50;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"33\" style=\"vertical-align: -6px;\"\/> and <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blogs.rollins.edu\/graphembeddings\/wp-content\/ql-cache\/quicklatex.com-abb04cbdb7a51e4fd305d7c8939dab77_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#75;&#95;&#123;&#51;&#44;&#51;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"33\" style=\"vertical-align: -6px;\"\/>. As shown in the table below we have yet to determine the minimum genus obtainable using a Cayley Map for <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blogs.rollins.edu\/graphembeddings\/wp-content\/ql-cache\/quicklatex.com-c8374c832ec5293958e545b056c0319a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#75;&#95;&#123;&#49;&#49;&#44;&#49;&#49;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"46\" style=\"vertical-align: -6px;\"\/>. Because <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blogs.rollins.edu\/graphembeddings\/wp-content\/ql-cache\/quicklatex.com-c8374c832ec5293958e545b056c0319a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#75;&#95;&#123;&#49;&#49;&#44;&#49;&#49;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"46\" style=\"vertical-align: -6px;\"\/> is much larger than the other complete bipartite graphs discussed, there are more possible face size combinations to rule out, and, as demonstrated in Theorem 7, doing so can be a lengthy process. <\/p>\n\n\n\n<p>Though using Cayley Maps as a way to embed complete bipartite graphs may not produce the best genera, <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blogs.rollins.edu\/graphembeddings\/wp-content\/ql-cache\/quicklatex.com-4157182764139c5ba1133aadc254be0b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#75;&#95;&#123;&#53;&#44;&#53;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"33\" style=\"vertical-align: -6px;\"\/>&#8216;s Cayley Map genus was only three higher than optimal, and <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/blogs.rollins.edu\/graphembeddings\/wp-content\/ql-cache\/quicklatex.com-1cd78ae7c8b5e04078239e2ae329082f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#75;&#95;&#123;&#55;&#44;&#55;&#125;\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"33\" style=\"vertical-align: -6px;\"\/>&#8216;s was only one higher. Therefore, this method can still be useful if simplicity is a greater priority than genus optimality.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"365\" src=\"http:\/\/blogs.rollins.edu\/graphembeddings\/wp-content\/uploads\/2020\/05\/tablethesis-1024x365.png\" alt=\"\" class=\"wp-image-415\" srcset=\"https:\/\/blogs.rollins.edu\/graphembeddings\/wp-content\/uploads\/2020\/05\/tablethesis-1024x365.png 1024w, https:\/\/blogs.rollins.edu\/graphembeddings\/wp-content\/uploads\/2020\/05\/tablethesis-300x107.png 300w, https:\/\/blogs.rollins.edu\/graphembeddings\/wp-content\/uploads\/2020\/05\/tablethesis-768x274.png 768w, https:\/\/blogs.rollins.edu\/graphembeddings\/wp-content\/uploads\/2020\/05\/tablethesis.png 1300w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>Table Comparing Genera Obtained using Cayley Maps to the Optimal Genera.<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Our ability to replicate the optimal genera when embedding complete bipartite graphs onto orientable surfaces varied (See Table Below). Though with $K_{2,2}$ and $K_{3,3}$ we were able to obtain optimal genera 0 and 1, respectively, we found that it was impossible to obtain an optimal graph embedding for $K_{5,5}$ and $K_{7,7}$ using Cayley Maps. The [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"parent":0,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-97","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blogs.rollins.edu\/graphembeddings\/wp-json\/wp\/v2\/pages\/97","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.rollins.edu\/graphembeddings\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blogs.rollins.edu\/graphembeddings\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.rollins.edu\/graphembeddings\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.rollins.edu\/graphembeddings\/wp-json\/wp\/v2\/comments?post=97"}],"version-history":[{"count":36,"href":"https:\/\/blogs.rollins.edu\/graphembeddings\/wp-json\/wp\/v2\/pages\/97\/revisions"}],"predecessor-version":[{"id":416,"href":"https:\/\/blogs.rollins.edu\/graphembeddings\/wp-json\/wp\/v2\/pages\/97\/revisions\/416"}],"wp:attachment":[{"href":"https:\/\/blogs.rollins.edu\/graphembeddings\/wp-json\/wp\/v2\/media?parent=97"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}