M. Zubairu

most citedOn certain Semigroup of Order-decreasing Full Contraction Mappings of a Finite Chain

1 citations · 1 across the 2 of their papers we have counts for

collaborators

5 papers

math.GR2022

On the combinatorial and rank properties of certain subsemigroups of full contractions of a finite chain

Muhammad Mansur Zubairu, Abdullahi Umar, Muhammad Jada Aliyu

Let $[n] = {1, 2, \dots, n}$ be a finite chain and let $C T_{n}$ be the semigroup of full contractions on $[n]$ . Denote $O R C T_{n}$ and $O C T_{n}$ to be th…

math.GR2022★ 1 cited

On certain Semigroup of Order-decreasing Full Contraction Mappings of a Finite Chain

M. M. Zubairu, A. Umar, J. A. Aliyu

Let $C T_{n}$ be the semigroup of full contraction mappings on $[n] = {1, 2, \dots, n}$ , and let $O C T_{n}$ and $O D C T_{n}$ be the subsemigroups consisting of al…

math.GR2018

On certain semigroups of full contractions of a finite chain

A. Umar, M. M. Zubairu

Let $[n] = {1, 2, \dots, n}$ be a finite chain and let $T_{n}$ be the semigroup of full transformations on $[n]$ . Let $\mathcal{CT}_{n}=\{α\in \mathcal{T}_{n}: (for ~all~x,…

math.GR2018

On certain semigroups of partial contractions of a finite chain

A. Umar, M. M. Zubairu

Let $[n] = {1, 2, \dots, n}$ be a finite chain and let $P_{n}$ be the semigroup of partial transformations on $[n]$ . Let $\mathcal{CP}_{n}=\{α\in \mathcal{P}_{n}: (for ~all…

math.GR2018

Regularity and Green's relations for the semigroup of partial contractions of a finite chain

B. Ali, A. Umar, M. M. Zubairu

Let $[n] = {1, 2, \dots, n}$ be a finite chain and let $P_{n}$ be the semigroup of partial transformations on $[n]$ . Let $\mathcal{CP}_{n}=\{α\in \mathcal{P}_{n}: (for~all…