paraproduct

para- +‎ product

paraproduct (plural paraproducts)

1. (mathematics) A non-commutative bilinear operator acting on functions that in some sense is like the product of the two functions it acts on.
   • 2015, Joshua Isralowitz, Hyun-Kyoung Kwon, Sandra Pott, “Matrix weighted norm inequalities for commutators and paraproducts with matrix symbols”, in arXiv‎:

     To do this, we will characterize the boundedness of dyadic paraproducts on ${\displaystyle L^{p}(W)}$ via a new matrix weighted Carleson embedding theorem.