00778nam a22001697a 4500040003600000082001300036100002600049245006100075260003500136300003100171500015200202500004000354500003900394502005900433546001200492650010400504  cRiphah International University  a510bABB  aAbbeer Abbasi (17971)  aContributions to the study of semidetached LA-semigroups  aIslamabadb(unpublished)c2018  aviii, 33 p.c; 30 cm.e+CD  aSubmitted in fulfillment of the requirements for the degree of Master of Philosophy in Mathematics to the Faculty of Basic Sciences and Humanities.  aIncludes bibliographical references  aThesis supervisor: Dr. Noor Rehman  aThesis (M.Phil)--Riphah International University, 2018  aEnglish  aLA semigroupvCommunicative semigroupvSemidetached idealvFuzzy substructurevInterior idealvFBSH