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<head><title>sheaf(Ring) -- make a coherent sheaf of rings</title>
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<div><h1>sheaf(Ring) -- make a coherent sheaf of rings</h1>
<div class="single"><h2>Synopsis</h2>
<ul><li><div class="list"><dl class="element"><dt class="heading">Usage: </dt><dd class="value"><div><tt>sheaf R</tt><br/><tt>R~</tt></div>
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<li><span>Function: <a href="_sheaf.html" title="make a coherent sheaf">sheaf</a></span></li>
<li><div class="single">Inputs:<ul><li><span><tt>R</tt>, <span>a <a href="___Ring.html">ring</a></span></span></li>
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<li><div class="single">Outputs:<ul><li><span><span>a <a href="___Sheaf__Of__Rings.html">sheaf of rings</a></span>, the coherent sheaf on a projective variety <tt>X</tt> corresponding to <tt>M</tt></span></li>
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<div class="single"><h2>Description</h2>
<div><table class="examples"><tr><td><pre>i1 : R = QQ[x,y,z];</pre>
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<tr><td><pre>i2 : X = Proj R
o2 = X
o2 : ProjectiveVariety</pre>
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<tr><td><pre>i3 : sheaf R
o3 = OO
X
o3 : SheafOfRings</pre>
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<tr><td><pre>i4 : R~
o4 = OO
X
o4 : SheafOfRings</pre>
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