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ring spectrum (history) in nLab
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style="display:inline-block; width: 0.3em;"></span> <a href="/nlab/show/HomePage" accesskey="H" title="Home page">Home Page</a> | <a href="/nlab/all_pages" accesskey="A" title="List of all pages">All Pages</a> | <a href="/nlab/latest_revisions" accesskey="U" title="Latest edits and page creations">Latest Revisions</a> | <a href="https://nforum.ncatlab.org/discussion/5920/#Item_5" title="Discuss this page in its dedicated thread on the nForum" style="color: black">Discuss this page</a> | <form accept-charset="utf-8" action="/nlab/search" id="navigationSearchForm" method="get"> <fieldset class="search"><input type="text" id="searchField" name="query" value="Search" style="display:inline-block; float: left;" onfocus="this.value == 'Search' ? this.value = '' : true" onblur="this.value == '' ? this.value = 'Search' : true" /></fieldset> </form> <span id='navEnd'></span> </div> <h3>September 5, 2023</h3> <ul> <li> <a href="/nlab/show/ring+spectrum">Current</a> <span class="hist_views"> (<a href="/nlab/show/diff/ring+spectrum">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on September 5, 2023 at 19:34:38. </div> </li> </ul> <h3>July 22, 2021</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/48">Revision 48</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/48">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on July 22, 2021 at 09:54:10. </div> </li> </ul> <h3>January 20, 2021</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/47">Revision 47</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/47">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on January 20, 2021 at 10:04:35. </div> </li> <li> <a href="/nlab/revision/ring+spectrum/46">Revision 46</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/46">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on January 20, 2021 at 06:56:12. </div> </li> </ul> <h3>January 16, 2021</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/45">Revision 45</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/45">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on January 16, 2021 at 16:31:03. </div> </li> </ul> <h3>January 11, 2021</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/44">Revision 44</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/44">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on January 11, 2021 at 07:26:18. </div> </li> </ul> <h3>January 3, 2021</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/43">Revision 43</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/43">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on January 3, 2021 at 07:36:57. </div> </li> </ul> <h3>November 21, 2020</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/42">Revision 42</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/42">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on November 21, 2020 at 11:28:39. </div> </li> </ul> <h3>August 31, 2020</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/41">Revision 41</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/41">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Matteo+Capucci">Matteo Capucci</a> on August 31, 2020 at 08:11:07. </div> </li> </ul> <h3>February 22, 2020</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/40">Revision 40</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/40">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on February 22, 2020 at 19:46:19. </div> </li> </ul> <h3>June 12, 2018</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/39">Revision 39</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/39">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/David+Corfield">David Corfield</a> on June 12, 2018 at 10:12:15. </div> </li> </ul> <h3>June 7, 2018</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/38">Revision 38</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/38">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Anonymous">Anonymous</a> on June 7, 2018 at 23:03:29. </div> </li> </ul> <h3>June 15, 2017</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/37">Revision 37</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/37">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on June 15, 2017 at 16:21:51. </div> </li> </ul> <h3>June 11, 2017</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/36">Revision 36</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/36">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on June 11, 2017 at 12:12:16. </div> </li> </ul> <h3>April 4, 2017</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/35">Revision 35</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/35">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on April 4, 2017 at 09:32:13. </div> </li> <li> <a href="/nlab/revision/ring+spectrum/34">Revision 34</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/34">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/David+Corfield">David Corfield</a> on April 4, 2017 at 07:58:45. </div> </li> </ul> <h3>March 16, 2017</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/33">Revision 33</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/33">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on March 16, 2017 at 10:22:12. </div> </li> </ul> <h3>March 13, 2017</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/32">Revision 32</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/32">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on March 13, 2017 at 20:41:42. </div> </li> </ul> <h3>December 20, 2016</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/31">Revision 31</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/31">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on December 20, 2016 at 07:51:35. </div> </li> </ul> <h3>June 28, 2016</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/30">Revision 30</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/30">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on June 28, 2016 at 15:48:48. </div> </li> </ul> <h3>June 9, 2016</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/29">Revision 29</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/29">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on June 9, 2016 at 14:36:32. </div> </li> </ul> <h3>May 27, 2016</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/28">Revision 28</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/28">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on May 27, 2016 at 17:37:59. </div> </li> </ul> <h3>May 6, 2016</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/27">Revision 27</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/27">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on May 6, 2016 at 14:33:38. </div> </li> </ul> <h3>March 11, 2016</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/26">Revision 26</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/26">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on March 11, 2016 at 09:36:14. </div> </li> </ul> <h3>March 5, 2016</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/25">Revision 25</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/25">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on March 5, 2016 at 09:25:10. </div> </li> </ul> <h3>March 4, 2016</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/24">Revision 24</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/24">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on March 4, 2016 at 16:33:27. </div> </li> </ul> <h3>February 26, 2016</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/23">Revision 23</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/23">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on February 26, 2016 at 16:47:08. </div> </li> </ul> <h3>February 16, 2016</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/22">Revision 22</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/22">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on February 16, 2016 at 12:23:22. </div> </li> <li> <a href="/nlab/revision/ring+spectrum/21">Revision 21</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/21">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on February 16, 2016 at 11:24:40. </div> </li> <li> <a href="/nlab/revision/ring+spectrum/20">Revision 20</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/20">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on February 16, 2016 at 08:41:04. </div> </li> </ul> <h3>February 5, 2016</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/19">Revision 19</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/19">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on February 5, 2016 at 15:37:14. </div> </li> </ul> <h3>February 4, 2016</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/18">Revision 18</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/18">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on February 4, 2016 at 18:46:17. </div> </li> <li> <a href="/nlab/revision/ring+spectrum/17">Revision 17</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/17">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on February 4, 2016 at 12:29:41. </div> </li> <li> <a href="/nlab/revision/ring+spectrum/16">Revision 16</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/16">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on February 4, 2016 at 11:05:14. </div> </li> </ul> <h3>February 2, 2016</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/15">Revision 15</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/15">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on February 2, 2016 at 11:23:06. </div> </li> </ul> <h3>January 21, 2016</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/14">Revision 14</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/14">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on January 21, 2016 at 12:59:05. </div> </li> </ul> <h3>December 22, 2015</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/13">Revision 13</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/13">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on December 22, 2015 at 18:09:42. </div> </li> </ul> <h3>July 8, 2014</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/12">Revision 12</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/12">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on July 8, 2014 at 21:45:01. </div> </li> </ul> <h3>May 2, 2014</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/11">Revision 11</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/11">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on May 2, 2014 at 05:07:58. </div> </li> </ul> <h3>June 19, 2013</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/10">Revision 10</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/10">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on June 19, 2013 at 23:35:41. </div> </li> </ul> <h3>January 14, 2013</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/9">Revision 9</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/9">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Raeder">Raeder</a> on January 14, 2013 at 15:52:54. </div> </li> </ul> <h3>June 7, 2011</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/8">Revision 8</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/8">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on June 7, 2011 at 18:53:18. </div> </li> <li> <a href="/nlab/revision/ring+spectrum/7">Revision 7</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/7">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on June 7, 2011 at 17:59:43. </div> </li> </ul> <h3>June 6, 2011</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/6">Revision 6</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/6">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on June 6, 2011 at 15:31:40. </div> </li> </ul> <h3>February 18, 2011</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/5">Revision 5</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/5">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on February 18, 2011 at 14:25:16. </div> </li> </ul> <h3>June 26, 2010</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/4">Revision 4</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/4">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on June 26, 2010 at 10:16:07. </div> </li> </ul> <h3>October 16, 2009</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/3">Revision 3</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/3">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Toby+Bartels">Toby Bartels</a> on October 16, 2009 at 20:10:39. </div> </li> </ul> <h3>September 15, 2009</h3> <ul> <li> <a href="/nlab/revision/ring+spectrum/2">Revision 2</a> <span class="hist_views"> (<a href="/nlab/revision/diff/ring+spectrum/2">diff</a>) </span> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on September 15, 2009 at 15:41:46. </div> </li> <li> <a href="/nlab/revision/ring+spectrum/1">Revision 1</a> <div class="revisedby" style="margin-bottom: 0px"> by <a href="/nlab/author/Urs+Schreiber">Urs Schreiber</a> on September 15, 2009 at 10:45:00. </div> </li> </ul> </div> <!-- Content --> </div> <!-- Container --> </body> </html>