On certain semigroups of finite monotone and order-decreasing partial transformations

Gonca Ayık, Hayrullah Ayık, Ilinka Dimitrova +1

Let ${\mathcal{P}\mathcal{M}\mathcal{D}}_n$ be the semigroup consisting of all monotone and order-decreasing partial transformations, and let ${\mathcal{I}\mathcal{M}\mathcal{D}}_n$ be the subsemigroup of $\mathcal{PMD}_…