On certain semigroups of finite oriented and order-decreasing partial transformations
Authors
Gonca Ayık
Hayrullah Ayık
Ilinka Dimitrova
Jörg Koppitz
Abstract
Let $\mathcal{PORD}_{n}$ be the semigroup consisting of all oriented and order-decreasing partial transformations on the finite chain $X_{n}=\{ 1<\cdots
