C. C. Chang
| C. C. Chang | |
|---|---|
| Born | 1927 (age 89–90) |
| Known for | Chang's conjecture |
| Scientific career | |
| Fields | Mathematics |
| Institutions | University of California, Los Angeles |
| Doctoral advisor | Alfred Tarski |
Chen Chung Chang is a mathematician who works 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 is emeritus professor at the mathematics department of the University of California, Los Angeles.
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