Semigroup ForumSeptember 2000, Volume 61, Issue 2, pp 298–302 | Cite asGeometric Notes on monoidsAuthorsAuthors and affiliationsFlorian KainrathGünter Lettl 34 Downloads 3 Citations This is a preview of subscription content, log in to check access.PreviewUnable to display preview. Download preview PDF.Unable to display preview. Download preview PDF.Copyright information© Springer-Verlag New York Inc. 2000Authors and AffiliationsFlorian KainrathGünter LettlThere are no affiliations available