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SGA1 (changes) in nLab
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width: 0.3em;"></span> <a href="/nlab/show/diff/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/discussions/?CategoryID=0" title="Discuss this page on the nForum. It does not yet have a dedicated thread; feel free to create one, giving it the same name as the title of this page" 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> <div id="revision"> <p class="show_diff"> Showing changes from revision #10 to #11: <ins class="diffins">Added</ins> | <del class="diffdel">Removed</del> | <del class="diffmod">Chan</del><ins class="diffmod">ged</ins> </p> <p>The initials ‘SGA I’ (or in more modern times ‘SGA1’) refer to the <a class='existingWikiWord' href='/nlab/show/diff/EGA'>SGA</a> seminar notes from <a class='existingWikiWord' href='/nlab/show/diff/Alexander+Grothendieck'>Grothendieck</a>’s seminar (1960-61) at <a href='http://www.ihes.fr'>IHÉS</a>, Bures-sur-Yvette (see at <em><a class='existingWikiWord' href='/nlab/show/diff/EGA'>SGA</a></em> for more).</p> <ul> <li><a class='existingWikiWord' href='/nlab/show/diff/Alexander+Grothendieck'>A. Grothendieck</a>, <a class='existingWikiWord' href='/nlab/show/diff/Mich%C3%A8le+Raynaud'>Michèle Raynaud</a>, <em>Revêtements étales et groupe fondamental</em> (SGA I), Lecture Notes in Mathematics <strong>224</strong>, Springer 1971 <a href='https://link.springer.com/book/10.1007/BFb0058656'>doi:10.1007/BFb0058656</a>, retyped as <a href='http://arxiv.org/abs/math/0206203'>math.AG/0206203</a>; published version Documents Mathématiques <strong>3</strong>, Société Mathématique de France, Paris 2003)</li> </ul> <p>These notes contain discussion/introduction of:</p> <ul> <li> <p><del class='diffmod'><span class='newWikiWord'>Grothendieck fibrantions<a href='/nlab/new/Grothendieck+fibrantions'>?</a></span></del><ins class='diffmod'><a class='existingWikiWord' href='/nlab/show/diff/Grothendieck+fibration'>Grothendieck fibration</a></ins><span><del class='diffmod'> ,</del><ins class='diffmod'> s,</ins></span><a class='existingWikiWord' href='/nlab/show/diff/Grothendieck+construction'>Grothendieck construction</a></p> </li> <li> <p><a class='existingWikiWord' href='/nlab/show/diff/Grothendieck%27s+Galois+theory'>Grothendieck's Galois theory</a></p> </li> <li> <p><a class='existingWikiWord' href='/nlab/show/diff/Galois+theory'>étale fundamental group</a></p> </li> <li> <p><a class='existingWikiWord' href='/nlab/show/diff/section+conjecture'>Grothendieck's section conjecture</a></p> </li> <li> <p><a class='existingWikiWord' href='/nlab/show/diff/descent'>descent theory</a> (chapter SGA I.6)</p> </li> </ul> <p> </p> <p><div class='property'> category: <a class='category_link' href='/nlab/list/reference'>reference</a></div></p> </div> <div class="revisedby"> <p> Last revised on May 9, 2023 at 10:18:04. 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