most recent 30 from http://mathoverflow.net 2013-05-18T23:26:09Z http://mathoverflow.net/feeds/user/14031 http://www.creativecommons.org/licenses/by-nc/2.5/rdf http://mathoverflow.net/questions/60097/checking-whether-a-variety-is-normal anonymous 2011-03-30T18:00:14Z 2011-03-31T14:10:18Z

<p>I am looking to check whether the hypersurface in $A^{n}$ defined by $x_{1}^{2} + x_2^{2} + .... + x_n^{2} = 0$ is a normal variety.....In general, are there any nice sufficiency conditions to prove normality?</p>

http://mathoverflow.net/questions/60097/checking-whether-a-variety-is-normal anonymous 2011-03-30T23:04:42Z 2011-03-30T23:04:42Z

@diverietti 1.I have solved the first part now and I do not think it was entirely straightforward (for example, I had to look around a lot for certain commutative algebra facts, which were ultimately found in Zariski Samuel). 2.I am new here and do not have a proper idea of what the &quot;standards&quot; of this site are, or what you think they are.... 3.I am a beginner in Algebraic Geometry, but certainly not a beginner in math. I do not think the second question is &quot;too&quot; vague. 4.I don't think your condescending and thoroughly unhelpful comment &quot;fits&quot; the standards of normal decency. Thanks...