In the semigroup theory
literature, the dual of this preorder is known as Green's R-preorder.
beta]] = 0), the choice here is fixed on a semi-implicit scheme arising in works using nonlinear semigroup theory
for the resolution of solidification problems.
Some generation results for perturbed semigroups Trends in semigroup theory
and applications, Ph.
Howie, An introduction to semigroup theory
, Academic Press, 1976.
M, Fundamentals of semigroup theory
, Clarendon Press, Oxford, 1995.
The class of Cliford semigroups play a fundamental role in the development of semigroup theory