Monthly Archives: January 2012

An iPhone app for a nonstandard model of number theory?

This is a talk at the City Tech C-LAC (Center for Logic, Algebra, and Computation) Seminar, February 14, 2012.

Posted in talks | Tagged , | 7 Comments

Introducing Cantor’s Attic

Two months ago, Joel Hamkins approached me about collaborating on creating a wiki for notions of infinity of all breeds and scales. Joel said that his motivation came from the excellent Complexity Zoo wiki started by Scott Aaronson (the zookeeper) … Continue reading

Posted in web | Tagged , , , | 22 Comments