A skew-commutative algebra is a graded algebra (with the product often written as ) such that
- whenever is in grade and is in grade .
Actually, there is a twisted tensor product on the category of graded modules such that a skew-commutative algebra is really a commutative algebra (that is an abelian monoid object) in , but I forget how that goes.
Created on July 29, 2009 21:50:06
by Toby Bartels