Plethystic Hopf algebras

Proc Natl Acad Sci U S A. 1994 Dec 20;91(26):13057-61. doi: 10.1073/pnas.91.26.13057.

Abstract

The notion of a plethystic algebra associated with a Hopf algebra endowed with a suitable bilinear form is defined. A special case is the Hopf algebra of symmetric functions.