TY: JOUR
T1 - Abelian kernels of monoids of order-preserving maps and of some of its extensions
A1 - Fernandes, Vítor H.
A1 - Delgado, Manuel
N2 - We compute the abelian kernels of some monoids of partial transformations.
More precisely, the cases of the symmetric inverse monoid, monoids of order-preserving or order-reversing transformations and monoids of orientationpreserving or orientation-reversing transformations are treated.
UR - http://run.unl.pt/handle/10362/5527
Y1 - 2004
PB - Springer-Verlag