Empirical correlation operator and many-dimensional Hermite polynomials
The action of an empirical correlation operator on the subspaces of vector Hermite polynomials of a given order is studied. The principal part of this operator is selected.
English version (Springer): Ukrainian Mathematical Journal 45 (1993), no. 6, pp 964-969.
Citation Example: Stepakhno V. I. Empirical correlation operator and many-dimensional Hermite polynomials // Ukr. Mat. Zh. - 1993. - 45, № 6. - pp. 871–875.