scholarly journals Proceedings 15th International Conference on Automata and Formal Languages

2017 ◽  
Vol 252 ◽  
Author(s):  
Erzsébet Csuhaj-Varjú ◽  
Pál Dömösi ◽  
György Vaszil
Keyword(s):  
Formal Languages ◽  
International Conference ◽  
Automata And Formal Languages

scholarly journals Fully prime double-framed soft ordered semigroups

2020 ◽  
Vol 2 (4) ◽  
pp. 17-25
Author(s):  
Tauseef Asif ◽  
Asghar Khan ◽  
Jian Tang
Keyword(s):  
Coding Theory ◽  
Finite State Machines ◽  
Formal Languages ◽  
State Machines ◽  
Ordered Semigroups ◽  
Finite State ◽  
The Relationship ◽  
Automata And Formal Languages

It is well known that semigroups are basic structures in many applied branches like automata and formal languages, coding theory, finite state machines and others. Due to these possibilities of applications, semigroups and related structures are presently extensively investigated in soft theoretic (and in fuzzy theoretic) settings. The aim of this paper, is to introduce the concepts of double-framed soft ideals (briefly, DFS ideals) over an initial universe set U. The basic characterizations of this notion are studied. Different classes of ordered semigroups are characterized by using the notions of DFS l- and r-ideals over U. The notions of prime, and irreducible double-framed soft ideals (briefly, prime and irreducible DFS ideals) over U, are investigated and the related properties are highlighted. The class of those ordered semigroups for which each DFS ideal over U is prime are studied and the relationship between prime and irreducible DFS ideals are discussed.

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