Re: [Haskell-cafe] What's this algebraic structure called?

On Tue, 2008-10-28 at 13:54 +1300, Richard O'Keefe wrote:

Is there a special name for an operator monoid where the structure that's acted on is an Abelian group?

This should just be equivalent to a ring, maybe without distributivity. Maybe missing some other properties depending on what you mean by "operator."