Polynomial ideals 6 Metric theory of tensor products 4 Symmetric tensor products 4 Banach algebras 2 Extension of polynomials 2 Multilinear mappings 2 Natural tensor norms 2 Polynomials in Banach spaces 2 Radon-Nikodým property 2 Radon-Nikodỳm property 2 Symmetric tensor products of banach spaces 2 Aron-Berner extension 1 Extreme points 1 Homogenous polynomials 1 Integral polynomials 1 M-ideals 1