Irvin Sol Cohen (1917 – February 14, 1955) was an American mathematician at M.I.T. who worked on local rings. He was a student of Oscar Zariski at Johns Hopkins University.
In 1946 he proved the unmixedness theorem for power series rings, as a result of which Cohen–Macaulay ring are named after him and F. S. Macaulay. Cohen and Seidenberg are famous for their Cohen-Seidenberg theorems. He proved the Cohen structure theorem for complete Noetherian local rings.
Famous quotes containing the words irvin and/or cohen:
“Oh, yes, everything’s fine. I always stop by the police station in the middle of the night to pick up my daughter.”
—Theodore Simonson. Irvin S. Yeaworth, Jr.. Mr. Martin, The Blob, when he comes to pick up Jane (1958)
“Adults understandably assume that the level of verbal proficiency a five-year-old displays represents his level of proficiency in all areas of functioning—if he talks like an adult, he must think and feel like one. However, five-year-olds,... belie the promise of adult-like behavior with their child-like, impulsive actions.”
—Dorothy H. Cohen (20th century)