{"id":1123,"date":"2021-05-03T19:00:45","date_gmt":"2021-05-03T19:00:45","guid":{"rendered":"https:\/\/konrad.burnik.org\/wordpress\/?p=1123"},"modified":"2024-06-30T19:47:32","modified_gmt":"2024-06-30T19:47:32","slug":"split-complex-numbers-as-clifford-algebras","status":"publish","type":"post","link":"https:\/\/konrad.burnik.org\/wordpress\/split-complex-numbers-as-clifford-algebras\/","title":{"rendered":"Split-Complex Numbers as a Clifford Algebra"},"content":{"rendered":"\n<p><br>The split-complex numbers are a special case of <a href=\"https:\/\/en.wikipedia.org\/wiki\/Clifford_algebra\">Clifford Algebra<\/a>. This can be seen as follows. Let <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/konrad.burnik.org\/wordpress\/wp-content\/ql-cache\/quicklatex.com-0792b82a9985a275f3862d9342a80740_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#88;&#32;&#61;&#32;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#82;&#125;&#94;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"59\" style=\"vertical-align: 0px;\"\/>. Let <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/konrad.burnik.org\/wordpress\/wp-content\/ql-cache\/quicklatex.com-819d9bcb010425cbda55ace94c87427e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#101;&#95;&#49;&#32;&#61;&#32;&#92;&#108;&#97;&#110;&#103;&#108;&#101;&#32;&#97;&#32;&#92;&#114;&#97;&#110;&#103;&#108;&#101;\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"61\" style=\"vertical-align: -5px;\"\/> with <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/konrad.burnik.org\/wordpress\/wp-content\/ql-cache\/quicklatex.com-48c1f7d7fbb2b3456baea280f85c3ae5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#97;&#32;&#92;&#110;&#111;&#116;&#32;&#32;&#61;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"42\" style=\"vertical-align: -4px;\"\/> be a basis element of <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/konrad.burnik.org\/wordpress\/wp-content\/ql-cache\/quicklatex.com-a04d8281c6803c666b86d886ec7197d2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#82;&#125;&#94;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"19\" style=\"vertical-align: 0px;\"\/>.  Then the Clifford Algebra <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/konrad.burnik.org\/wordpress\/wp-content\/ql-cache\/quicklatex.com-5b7309ad9a57556e4bde51effcfa8035_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#109;&#97;&#116;&#104;&#99;&#97;&#108;&#123;&#67;&#125;&#40;&#92;&#109;&#97;&#116;&#104;&#98;&#98;&#123;&#82;&#125;&#94;&#49;&#41;\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"44\" style=\"vertical-align: -5px;\"\/> is defined as follows. The elements of the Clifford algebra are <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/konrad.burnik.org\/wordpress\/wp-content\/ql-cache\/quicklatex.com-90f0776bea0ffcdef197e07eeefe10c5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#92;&#97;&#108;&#112;&#104;&#97;&#32;&#43;&#32;&#92;&#98;&#101;&#116;&#97;&#32;&#101;&#95;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"58\" style=\"vertical-align: -4px;\"\/>. Setting the rule for the Clifford product <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/konrad.burnik.org\/wordpress\/wp-content\/ql-cache\/quicklatex.com-30fd736c2d115372ba80625d82540c1b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#101;&#95;&#49;&#32;&#92;&#118;&#101;&#101;&#32;&#101;&#95;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"50\" style=\"vertical-align: -3px;\"\/> as<br><a name=\"id779313618\"><\/a><p class=\"ql-center-displayed-equation\" style=\"line-height: 14px;\"><span class=\"ql-right-eqno\"> (1) <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/konrad.burnik.org\/wordpress\/wp-content\/ql-cache\/quicklatex.com-4def2e91492b02cc4a5f20dfe19e4444_l3.png\" height=\"14\" width=\"83\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#98;&#101;&#103;&#105;&#110;&#123;&#101;&#113;&#117;&#97;&#116;&#105;&#111;&#110;&#42;&#125;&#101;&#95;&#49;&#32;&#92;&#118;&#101;&#101;&#32;&#101;&#95;&#49;&#32;&#61;&#32;&#49;&#92;&#101;&#110;&#100;&#123;&#101;&#113;&#117;&#97;&#116;&#105;&#111;&#110;&#42;&#125;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p><br>yields <br><p class=\"ql-center-displayed-equation\" style=\"line-height: 19px;\"><span class=\"ql-right-eqno\"> &nbsp; <\/span><span class=\"ql-left-eqno\"> &nbsp; <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/konrad.burnik.org\/wordpress\/wp-content\/ql-cache\/quicklatex.com-4ce7a9a11f1027330167c86c77fcc3a4_l3.png\" height=\"19\" width=\"473\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"&#92;&#91;&#40;&#92;&#97;&#108;&#112;&#104;&#97;&#95;&#49;&#32;&#43;&#32;&#92;&#98;&#101;&#116;&#97;&#95;&#49;&#32;&#101;&#95;&#49;&#41;&#32;&#92;&#118;&#101;&#101;&#32;&#40;&#92;&#97;&#108;&#112;&#104;&#97;&#95;&#50;&#32;&#43;&#32;&#92;&#98;&#101;&#116;&#97;&#95;&#50;&#32;&#101;&#95;&#49;&#41;&#32;&#61;&#32;&#40;&#92;&#97;&#108;&#112;&#104;&#97;&#95;&#49;&#32;&#92;&#97;&#108;&#112;&#104;&#97;&#95;&#50;&#32;&#43;&#32;&#92;&#98;&#101;&#116;&#97;&#95;&#49;&#32;&#92;&#98;&#101;&#116;&#97;&#95;&#50;&#41;&#32;&#43;&#32;&#40;&#92;&#97;&#108;&#112;&#104;&#97;&#95;&#49;&#32;&#92;&#98;&#101;&#116;&#97;&#95;&#50;&#32;&#43;&#32;&#92;&#98;&#101;&#116;&#97;&#95;&#49;&#32;&#92;&#97;&#108;&#112;&#104;&#97;&#95;&#50;&#41;&#32;&#101;&#95;&#49;&#92;&#93;\" title=\"Rendered by QuickLaTeX.com\"\/><\/p><br>The isomorphism is <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/konrad.burnik.org\/wordpress\/wp-content\/ql-cache\/quicklatex.com-2730ad71b100c7877fe3ca88d8a192bc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#49;&#32;&#92;&#109;&#97;&#112;&#115;&#116;&#111;&#32;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"43\" style=\"vertical-align: -1px;\"\/>, <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/konrad.burnik.org\/wordpress\/wp-content\/ql-cache\/quicklatex.com-b3fe318b80848c2855b635589df52274_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#101;&#95;&#49;&#32;&#92;&#109;&#97;&#112;&#115;&#116;&#111;&#32;&#106;\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"52\" style=\"vertical-align: -4px;\"\/>. On the other hand, setting the rule to <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/konrad.burnik.org\/wordpress\/wp-content\/ql-cache\/quicklatex.com-ad1534e66f99f8f888ef3854e966c40d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#101;&#95;&#49;&#32;&#92;&#118;&#101;&#101;&#32;&#101;&#95;&#49;&#32;&#61;&#32;&#48;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"84\" style=\"vertical-align: -3px;\"\/> or <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/konrad.burnik.org\/wordpress\/wp-content\/ql-cache\/quicklatex.com-3cba525bbf7bc27bd0d0987647040481_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"&#101;&#95;&#49;&#32;&#92;&#118;&#101;&#101;&#32;&#101;&#95;&#49;&#32;&#61;&#32;&#45;&#49;\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"97\" style=\"vertical-align: -3px;\"\/> in (<a href=\"#id779313618\">1<\/a>) yields a correspondence with <a href=\"https:\/\/en.wikipedia.org\/wiki\/Dual_number\">dual-numbers<\/a> or <a href=\"https:\/\/en.wikipedia.org\/wiki\/Complex_number\">complex numbers<\/a> respectively. I am planning to expand on this fact in one of the subsequent posts.<\/p>\n\n\n\n<p><\/p>\n<div class='watch-action'><div class='watch-position align-left'><div class='action-like'><a class='lbg-style3 like-1123 jlk' href='javascript:void(0)' data-task='like' data-post_id='1123' data-nonce='4652e27883' rel='nofollow'><img class='wti-pixel' src='https:\/\/konrad.burnik.org\/wordpress\/wp-content\/plugins\/wti-like-post\/images\/pixel.gif' title='Like' \/><span class='lc-1123 lc'>+2<\/span><\/a><\/div><div class='action-unlike'><a class='unlbg-style3 unlike-1123 jlk' href='javascript:void(0)' data-task='unlike' data-post_id='1123' data-nonce='4652e27883' rel='nofollow'><img class='wti-pixel' src='https:\/\/konrad.burnik.org\/wordpress\/wp-content\/plugins\/wti-like-post\/images\/pixel.gif' title='Unlike' \/><span class='unlc-1123 unlc'>0<\/span><\/a><\/div> <\/div> <div class='status-1123 status align-left'><\/div><\/div><div class='wti-clear'><\/div>","protected":false},"excerpt":{"rendered":"<p>The split-complex numbers are a special case of Clifford Algebra. This can be seen as follows. Let . Let with be a basis element of . Then the Clifford Algebra is defined as follows. The elements of the Clifford algebra are . Setting the rule for the Clifford product as (1) &nbsp; yields &nbsp; &nbsp; [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"_s2mail":"yes","footnotes":""},"categories":[9],"tags":[17,13],"class_list":["post-1123","post","type-post","status-publish","format-standard","hentry","category-hyperbolic-numbers","tag-clifford-algebra","tag-split-complex-numbers"],"_links":{"self":[{"href":"https:\/\/konrad.burnik.org\/wordpress\/wp-json\/wp\/v2\/posts\/1123","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/konrad.burnik.org\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/konrad.burnik.org\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/konrad.burnik.org\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/konrad.burnik.org\/wordpress\/wp-json\/wp\/v2\/comments?post=1123"}],"version-history":[{"count":28,"href":"https:\/\/konrad.burnik.org\/wordpress\/wp-json\/wp\/v2\/posts\/1123\/revisions"}],"predecessor-version":[{"id":1248,"href":"https:\/\/konrad.burnik.org\/wordpress\/wp-json\/wp\/v2\/posts\/1123\/revisions\/1248"}],"wp:attachment":[{"href":"https:\/\/konrad.burnik.org\/wordpress\/wp-json\/wp\/v2\/media?parent=1123"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/konrad.burnik.org\/wordpress\/wp-json\/wp\/v2\/categories?post=1123"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/konrad.burnik.org\/wordpress\/wp-json\/wp\/v2\/tags?post=1123"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}