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Let S=K[x_1,...,x_n] be a polynomial ring. Denote by pa the power sum symmetric polynomial x_1^a+...+x_n^a. We consider the following two questions: Describe the subsets A⊂N such that the set of polynomials pa with a∈A generate a prime ideal in S or the set of polynomials pa with a∈A is a regular sequence in S. We produce a large families of prime ideals by exploiting Serre's criterion for normality [4, Theorem 18.15] with the help of arithmetic considerations, vanishing sums of roots of unity [9]. We also deduce several other results concerning regular sequences of symmetric polynomials.
Journal | Mathematics > Commutative Algebra |
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Publisher | arXiv preprint arXiv:1309. |