The aim of this work is to present,in a sufficiently complete manner,the theory of idempotent semigroups.The results here exposed are essentially due to Mc Lean,Kimura,Petrich,Warne,Green,Rees, Gerhardt,Yamada,Fennemore.Examples are provided and open problems indicated.

DOI Code:

Full Text: PDF

Creative Commons License
This work is licensed under a Creative Commons Attribuzione - Non commerciale - Non opere derivate 3.0 Italia License.