2012 ©
             Publication
Journal Publication
Title of Article A generalized superposition of linear tree languages and products of linear tree languages 
Date of Acceptance 21 April 2017 
Journal
     Title of Journal Asian-European Journal of Mathematics 
     Standard SCOPUS 
     Institute of Journal World Scientific Publishing Co. Pte. Ltd. 
     ISBN/ISSN 1793-7183 
     Volume 10 
     Issue 11 
     Month September
     Year of Publication 2018 
     Page 1-21 
     Abstract A linear tree language of type τ is a set of linear terms, terms containing no multiple occurrences of the same variable, of that type. Instead of the usual generalized superposition of tree languages, we define the generalized linear superposition to deal with linear tree languages and study its properties. Using this superposition, we define the product of linear tree languages. This product is not associative on the collection of all linear tree languages, but it is associative on some subsets of this collection whose products of any element in the subsets are nonempty. We classify such subsets and study properties of the obtained semigroup especially idempotent elements, regular elements, and Green’s relations L and R. 
     Keyword linear tree languages, generalized superposition of linear tree languages, product of linear tree languages, idempotent elements, regular elements, Green's relations. 
Author
585020084-4 Mr. PONGSAKORN KITPRATYAKUL [Main Author]
Science Master's Degree

Reviewing Status มีผู้ประเมินอิสระ 
Status ตีพิมพ์แล้ว 
Level of Publication นานาชาติ 
citation false 
Part of thesis true 
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