D S. O. Makanjuola | Nigerian Journal of Mathematics and Applications

D S. O. Makanjuola

Department of Mathematics, University of Ilorin, Nigeria.

2 Publications

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Publications 2

Research Article Vol. 26, Issue 1

SIGNED FULL 1−1 SYMMETRIC GROUP AND SIGNED FULL TRANSFORMATION SEMIGROUPS

M. M. Mogbonju^*, d S. O. Makanjuola

The cardinalities, idempotents and chain decomposition of Signed full 1 − 1 symmetric group and Signed full tramsformation are obtained.

Sep, 2017 Vol. 26, Issue 1

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Research Article Vol. 25, Issue 1

Combinatorial Properties of Order-Preserving and Order-Decreasing Semigroup of Partial Injective Contraction Mapping

B. M. Ahmed^*, d S. O. Makanjuola

Let CIn be the semigroup of partial injective contraction mappings. The focus of this paper is to provide some properties subsemigroups of CIn which are semigroup of order reserving partial injective contraction mapping (OCIn) and semigroup of order decreasing partial injective contraction mapping (DCIn). The results on this work are combinatorial ...

Jun, 2016 Vol. 25, Issue 1

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