Siegfried Gottwald

Leipzig University, Germany

Siegfried Gottwald was born in 1943. He teaches mathematics and logic since at Leipzig University 1972, the year he got his "facultas docendi" in the field of mathematics. He has studied mathematics at this university from 1961 to 1966, got his PhD in mathematics there in 1969, and his Habilitation degree in 1977, also in mathematics. He became Lecturer in Logic (Hochschuldozent) at Leipzig University in 1979, and Associate (außerordentlicher) Professor in 1987. From 1992 up to his retirement in 2008 he was Full Professor for nonclassical and mathematical logic at Leipzig University. He has been active in research on fuzzy sets and fuzzy methodologies since the late 1960s as he had started his Ph.D. work. His main research topics include the fundamentals of fuzzy set theory, many-valued logic, and their relationship to fuzzy sets, fuzzy relation equations, and their relationship to fuzzy control as well as fuzzy logic and approximate reasoning. He is also interested in the history of logic and of mathematics as well as in foundational and philosophical issues for mathematics and computer science. He has published several books on many-valued logic, fuzzy sets, and their applications, was coauthor of a textbook on calculus and of a reader in the history of logic, and coedited and coauthored a biographical dictionary of mathematicians. Actually, he is an Area Editor for nonclassical logics and fuzzy set theory of the international journal Fuzzy Sets and Systems. He is a Member of the Editorial Boards of the journals Information Sciences and Multiple-Valued Logic and Soft Computing, and he belongs to the Consulting Board of Former Editors of Studia Logica.

Biography Updated on 3 January 2011

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