Results 21 to 30 of about 354,394 (221)

Linear inequations with 5-digit and regularity conditions on ordered ternary semigroups [PDF]

open access: yesSongklanakarin Journal of Science and Technology (SJST), 2021
We investigate linear inequations with 5-digit of regular elements of ordered ternary semigroups, define the notions of ordered weakly left ideals, ordered weakly right ideals and ordered strong bi-ideals of ordered ternary semigroups, give some ...
Patchara Pornsurat   +2 more
doaj   +1 more source

GENERALIZED UNI-SOFT INTERIOR IDEALS IN ORDERED SEMIGROUPS [PDF]

open access: yesJournal of Algebraic Systems, 2019
For all M,N∈P(U) such that M⊂N, we first introduced the definitions of (M,N)-uni-soft ideals and (M,N)-uni-soft interior ideals of an ordered semigroup and studied them. When M=∅ and N=U, we meet the ordinary soft ones. Then we proved that in regular and
R. Khan, A. Khan, B. Ahmad, R. Gul
doaj   +1 more source

Classifiation of Ordered Semigroups Through Neutrosophic Generalized bi-ideals with Applications [PDF]

open access: yesNeutrosophic Sets and Systems, 2022
An icebreaking theory known as neutrosophic theory opened a new direction for researchers of philosophy, logics, set theory and probability/statistics. Neutrosophy put the point base for a entire household of new mathematical speculations that summarized
Faiz Muhammad Khan   +2 more
doaj   +1 more source

Semigroup presentations [PDF]

open access: yes, 2012
In this thesis we consider in detail the following two fundamental problems for semigroup presentations: 1. Given a semigroup find a presentation defining it. 2. Given a presentation describe the semigroup defined by it.
Ruškuc, Nik
core   +2 more sources

Generating the full transformation semigroup using order preserving mappings [PDF]

open access: yes, 2003
For a linearly ordered set X we consider the relative rank of the semigroup of all order preserving mappings O-X on X modulo the full transformation semigroup Ex. In other words, we ask what is the smallest cardinality of a set A of mappings such that =
Higgins, PM   +2 more
core   +1 more source

Smarandache U-liberal semigroup structure [PDF]

open access: yes, 2009
In this paper, Smarandache U-liberal semigroup structure is given. It is shown that a semigroup S is Smarandache U-liberal semigroup if and only if it is a strong semilattice of some rectangular monoids. Consequently, some corresponding results on normal
Chen, Yizhi
core   +1 more source

On disjoint unions of finitely many copies of the free monogenic semigroup [PDF]

open access: yes, 2013
Every semigroup which is a finite disjoint union of copies of the free monogenic semigroup (natural numbers under addition) is finitely presented and residually finite.Peer ...
Ruskuc, Nik, Abughazalah, Nabilah
core   +1 more source

Semigroups of order-decreasing transformations [PDF]

open access: yes, 2012
Let X be a totally ordered set and consider the semigroups of orderdecreasing (increasing) full (partial, partial one-to-one) transformations of X. In this Thesis the study of order-increasing full (partial, partial one-to-one) transformations has been
Umar, Abdullahi
core   +2 more sources

ON DECOMPOSITIONS OF ORDERED SEMIGROUPS [PDF]

open access: yesInternational Journal of Pure and Apllied Mathematics, 2014
Summary: The purpose of this paper is to introduce and describe \(a\)-connected ordered semigroups and weakly extremely commutative ordered semigroups. The results obtained generalize results on semigroups without order.
openaire   +2 more sources

On Separative Ordered Semigroups

open access: yesSemigroup Forum, 1998
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Kehayopulu, N, Tsingelis, M
openaire   +3 more sources

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