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author Robert McIntyre <rlm@mit.edu>
date Fri, 28 Oct 2011 00:03:05 -0700
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1:8d8278e09888 2:b4de894a1e2e
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4 <html xmlns="http://www.w3.org/1999/xhtml"
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6 <head>
7 <title>Notes for SICM</title>
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10 <meta name="generated" content="2011-08-10 14:07:53 EDT"/>
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80 </head>
81 <body>
82
83 <div id="content">
84
85
86
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>
96
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">
100
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>
115
116 </li>
117 <li>
118 </li>
119 </ul>
120
121
122 </div>
123
124 </div>
125
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">
129
130
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>
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