Symmetric Monoidal

Some articles on symmetric monoidal:

Commutative Strong Monads
... For every strong monad T on a symmetric monoidal category, a costrength natural transformation can be defined by ... monads is that they are "the same as" symmetric monoidal monads ... More explicitly, a commutative strong monad defines a symmetric monoidal monad by and conversely a symmetric monoidal monad defines a commutative strong monad by and the conversion ...