Peter Johnstone
Here is a list of talks given by Peter Johnstone at the Australian Category Seminar. Click on the title of a talk for an abstract.
- Perfect toposes and infinitesimal weak generation – 6 December 2017
- What is Modified Realizability? – 15 November 2017
- The Wonderful World of Realizability, part 2 – 1 November 2017
- The Wonderful World of Realizability – 25 October 2017
- What I don't know about the free topos – 26 March 2008