Now showing items 1-1 of 1

  • Green index and finiteness conditions for semigroups 

    Gray, Robert Duncan; Ruskuc, Nik (2008-10-15) - Journal article
    Let S be a semigroup and let T be a subsemigroup of S. Then T acts on S by left and by right multiplication. If the complement S \ T has finitely many strong orbits by both these actions we say that T has finite Green index ...