Skip to main content

All Questions

Filter by
Sorted by
Tagged with
3 votes
1 answer
154 views

Bounds on symmetric polynomials in power-sum form with bounded coefficients

Let $\boldsymbol{x}=(x_1,\ldots,x_n)$ be a real vector. Define the normalized power-sum symmetric polynomials by $\pi_j(\boldsymbol{x})=\frac 1n(x_1^j+\cdots+x_n^j)$. For a partition $\lambda= (j_1,\...
Brendan McKay's user avatar