5 papers
On certain semigroups of finite oriented and order-decreasing partial transformations
Gonca Ayık, Hayrullah Ayık, Ilinka Dimitrova +1
Let be the semigroup consisting of all oriented and order-decreasing partial transformations on the finite chain . Let $\mathcal{IORD}_…
On certain semigroups of finite monotone and order-decreasing partial transformations
Gonca Ayık, Hayrullah Ayık, Ilinka Dimitrova +1
Let be the semigroup consisting of all monotone and order-decreasing partial transformations, and let be the subsemigroup of $\mathcal{PMD}_…
Combinatorial results for zero-divisors regarding right zero elements of order-preserving transformations
Emrah Korkmaz, Hayrullah Ayık
For any positive integer , let be the semigroup of all order-preserving full transformations on . For any , let $π_{k}\in…
On monoids of monotone partial transformations of a finite chain whose domains and ranges are intervals
Hayrullah Ayık, Vítor H. Fernandes, Emrah Korkmaz
In this note, we consider the monoid of all partial monotone transformations on a chain with elements whose domains and ranges are intervals and its submono…
On the monoid of partial order-preserving transformations of a finite chain whose domains and ranges are intervals
Hayrullah Ayık, Vítor H. Fernandes, Emrah Korkmaz
In this paper, we consider the monoid , of all partial order-preserving transformations on a chain with elements whose domains and ranges are intervals, alon…