The City College of New YorkCCNY
Department of Mathematics
Division of Science

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Digital resources from the college

  • Overleaf: About CCNY's local installation of Overleaf, a collaborative LaTeX editor.

Mathematics Professional Societies

General Mathematical Resources

Dr. Emil L. Post

Photograph of Emil Post

Emil L. Post was a City College alumnus and then returned after completing his Ph.D. from Columbia University to become faculty in 1936. His research contributed to various fields of mathematics including polyadic groups, recursively enumerable sets, degrees of unsolvability, and combinatorics. He is best known for his work in computability theory and mathematical models that are similar to the Turing machine model.

He graduated from City College (1917) with a B.S. in mathematics and received his Ph.D. from Columbia University (1920).

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