view sicm/notes.html @ 4:10c30f787f4b

minor change to quandry
author Robert McIntyre <rlm@mit.edu>
date Fri, 28 Oct 2011 00:07:59 -0700
parents b4de894a1e2e
children
line wrap: on
line source
1 <?xml version="1.0" encoding="utf-8"?>
2 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
3 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
4 <html xmlns="http://www.w3.org/1999/xhtml"
5 lang="en" xml:lang="en">
6 <head>
7 <title>Notes for SICM</title>
8 <meta http-equiv="Content-Type" content="text/html;charset=utf-8"/>
9 <meta name="generator" content="Org-mode"/>
10 <meta name="generated" content="2011-08-10 14:07:53 EDT"/>
11 <meta name="author" content="Robert McIntyre"/>
12 <meta name="description" content=""/>
13 <meta name="keywords" content=""/>
14 <style type="text/css">
15 <!--/*--><![CDATA[/*><!--*/
16 html { font-family: Times, serif; font-size: 12pt; }
17 .title { text-align: center; }
18 .todo { color: red; }
19 .done { color: green; }
20 .tag { background-color: #add8e6; font-weight:normal }
21 .target { }
22 .timestamp { color: #bebebe; }
23 .timestamp-kwd { color: #5f9ea0; }
24 .right {margin-left:auto; margin-right:0px; text-align:right;}
25 .left {margin-left:0px; margin-right:auto; text-align:left;}
26 .center {margin-left:auto; margin-right:auto; text-align:center;}
27 p.verse { margin-left: 3% }
28 pre {
29 border: 1pt solid #AEBDCC;
30 background-color: #F3F5F7;
31 padding: 5pt;
32 font-family: courier, monospace;
33 font-size: 90%;
34 overflow:auto;
35 }
36 table { border-collapse: collapse; }
37 td, th { vertical-align: top; }
38 th.right { text-align:center; }
39 th.left { text-align:center; }
40 th.center { text-align:center; }
41 td.right { text-align:right; }
42 td.left { text-align:left; }
43 td.center { text-align:center; }
44 dt { font-weight: bold; }
45 div.figure { padding: 0.5em; }
46 div.figure p { text-align: center; }
47 textarea { overflow-x: auto; }
48 .linenr { font-size:smaller }
49 .code-highlighted {background-color:#ffff00;}
50 .org-info-js_info-navigation { border-style:none; }
51 #org-info-js_console-label { font-size:10px; font-weight:bold;
52 white-space:nowrap; }
53 .org-info-js_search-highlight {background-color:#ffff00; color:#000000;
54 font-weight:bold; }
55 /*]]>*/-->
56 </style>
57 <script type="text/javascript">
58 <!--/*--><![CDATA[/*><!--*/
59 function CodeHighlightOn(elem, id)
60 {
61 var target = document.getElementById(id);
62 if(null != target) {
63 elem.cacheClassElem = elem.className;
64 elem.cacheClassTarget = target.className;
65 target.className = "code-highlighted";
66 elem.className = "code-highlighted";
67 }
68 }
69 function CodeHighlightOff(elem, id)
70 {
71 var target = document.getElementById(id);
72 if(elem.cacheClassElem)
73 elem.className = elem.cacheClassElem;
74 if(elem.cacheClassTarget)
75 target.className = elem.cacheClassTarget;
76 }
77 /*]]>*///-->
78 </script>
80 </head>
81 <body>
83 <div id="content">
87 <div id="table-of-contents">
88 <h2>Table of Contents</h2>
89 <div id="text-table-of-contents">
90 <ul>
91 <li><a href="#sec-1">1 Tuples </a></li>
92 <li><a href="#sec-2">2 Generic arithmetic </a></li>
93 </ul>
94 </div>
95 </div>
97 <div id="outline-container-1" class="outline-2">
98 <h2 id="sec-1"><span class="section-number-2">1</span> Tuples </h2>
99 <div class="outline-text-2" id="text-1">
101 <ul>
102 <li>Tuples are a new data type: sequences with <i>spin</i>. A tuple can be either spin-up or spin-down.
103 </li>
104 <li>A pair of compatible tuples can be <b>contracted</b> into a single number.
105 <ul>
106 <li>Tuples are compatible if they have the same length and opposite
107 spin, and if their corresponding pairs of items are either both
108 numbers or both compatible tuples.
109 </li>
110 <li>To contract tuples, take the sum of the products of corresponding
111 pairs of items. (To take the product of compatible tuples,
112 contract them.)
113 </li>
114 </ul>
116 </li>
117 <li>
118 </li>
119 </ul>
122 </div>
124 </div>
126 <div id="outline-container-2" class="outline-2">
127 <h2 id="sec-2"><span class="section-number-2">2</span> Generic arithmetic </h2>
128 <div class="outline-text-2" id="text-2">
131 </div>
132 </div>
133 <div id="postamble">
134 <p class="date">Date: 2011-08-10 14:07:53 EDT</p>
135 <p class="author">Author: Robert McIntyre</p>
136 <p class="creator">Org version 7.6 with Emacs version 23</p>
137 <a href="http://validator.w3.org/check?uri=referer">Validate XHTML 1.0</a>
138 </div>
139 </div>
140 </body>
141 </html>