A textbook for an undergraduate course, requiring only a knowledge of basic linear algebra. Explains how to compute presentations for finitely generated cancell

The Theory of Finitely Generated Commutative Semigroups describes a theory of finitely generated commutative semigroups which is founded essentially on a single

The theory of semigroups is in a rather mosaic-like state, not lacking in beautiful and important investigations but with many fields requiring further study. I