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应我校理学院邀请，韩国汉阳大学（Hanyang University）Hee Sik Kim教授将于6月28日来我校做专题学术讲座，欢迎广大师生参加！报告的具体安排如下：
报告题目：Fraction sets andsolution sets in groupoids
报 告 人：Prof. Dr. Hee Sik Kim
报告摘要：In this talk, weintroduce the notions of fraction sets and solution sets in groupoids. We applythese two notions to several kinds of algebraic structures, and so obtain someinteresting results.
报告人简介：Dr. Hee Sik Kim isworking at Department of Mathematics, Hanyang University, Seoul, Korea, as aprofessor. He has received his Ph.D. at Yonsei University. He has published abook, “Basic Posets” with professor J. Neggers, in1998, and published 250 papers in several journals. He is working as an(managing) editor of 5 journals. His mathematical research areas areBCK-algebras, fuzzy algebras, poset theory, theory of semirings, Fibonaccinumbers and theory of groupoids, and he is reviewing many papers in this areas.He is engaged in martial arts, photography and poetry also.