- #1
naturemath
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This is a basic abstract algebra question.
Q1. Is this (x1, x2) a prime ideal in C[x1, x2, x3, x4] ?
Q2. What about this: (x1 x4-x2 x3, x1 x3-x22)?
Q3. Is this a prime ideal (this is the twisted cubic in projective 3-space):
(x1 x4-x2 x3, x1 x3-x22, x2 x4-x32)?
Thanks everyone.
Q1. Is this (x1, x2) a prime ideal in C[x1, x2, x3, x4] ?
Q2. What about this: (x1 x4-x2 x3, x1 x3-x22)?
Q3. Is this a prime ideal (this is the twisted cubic in projective 3-space):
(x1 x4-x2 x3, x1 x3-x22, x2 x4-x32)?
Thanks everyone.