Chen Chung Chang

Chinese American mathematician

C. C. Chang

Born| 1927

Tianjin, China

Died| July 17, 2014 (aged 86 or 87)

Santa Clarita, California

Known for| Chang's conjecture
Scientific career
Fields| Mathematics
Institutions| University of California, Los Angeles
Doctoral advisor| Alfred Tarski

Chen Chung Chang (Chinese: 张晨钟) was a mathematician who worked in model theory. He obtained his PhD from Berkeley in 1955 on "Cardinal and Ordinal Factorization of Relation Types" under Alfred Tarski. He wrote the standard text Chang & Keisler (1990) on model theory. Chang's conjecture and Chang's model are named after him. He also proved the ordinal partition theorem (expressed in the arrow notation for Ramsey theory) ωω→(ωω,3)2, originally a problem of Erdős and Hajnal. He also introduced MV-algebras as models for Łukasiewicz logic. Chang was a professor at the mathematics department of the University of California, Los Angeles.

## Selected publications

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* Chang, Chen Chung; Keisler, H. Jerome (1966), Continuous Model Theory, Annals of Mathematical Studies, vol. 58, Princeton University Press, ISBN 0691079293; xii+165 pp.`{{citation}}`: CS1 maint: postscript (link)
* Chang, Chen Chung; Keisler, H. Jerome (1990), Model Theory, Studies in Logic and the Foundations of Mathematics (3rd ed.), Elsevier, ISBN 978-0-444-88054-3
* C. C. Chang. Algebraic analysis of many-valued logics. Transactions of the American Mathematical Society, 88, 467–490, 1958, doi:10.1090/S0002-9947-1958-0094302-9

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