Prof. J. Neggers passed away

Prof. J. Neggers was born in Amsterdam, Netherlands on January 10, 1940, and he received his Ph.D In mathematics in 1963. He was a professor of mathematics department at university of Alabama for 48 years. He published one book, Basic Posets, and several research papers in areas of poset theory, algebraic graph theory and combinatorics, general algebraic structures, BCK-algebras and related topics, fuzzy theory and Fibonacci numbers. He passed away on August 10, 2022.

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