PROPs for involutive monoids and involutive bimonoids
arXiv:2005.07968
Abstract
The category of involutive non-commutative sets encodes the structure of an involution compatible with a (co)associative (co)multiplication. We prove that the category of involutive bimonoids in a symmetric monoidal category is equivalent to the category of algebras over a PROP constructed from the category of involutive non-commutative sets.
12 pages. Published in Theory and Applications of Categories. Major revision of the previous version. Theorems are now stated in a more general context