Browsing by Author "Gray, Robert"

Now showing items 1-1 of 1

    • Presentations of Inverse Semigroups their Kernels and Extensions 

      Carvalho, Catarina; Gray, Robert; Ruskuc, Nik (2011)
      Let S be an inverse semigroup and let π:S→T be a surjective homomorphism with kernel K. We show how to obtain a presentation for K from a presentation for S, and vice versa. We then investigate the relationship between the ...