### Boole’s Rings

- Virtual Vopěnka’s Principle July 15, 2018 Victoria Gitman
- Open class determinacy is preserved by forcing July 2, 2018 Joel David Hamkins
- 11th Young Set Theory Workshop, June 2018 June 30, 2018 Assaf Rinot
- IMO resources for Graph Theory June 24, 2018 Mike Pawliuk – Mathematics
- Paul K. Gorbow, PhD 2018, University of Gothenburg June 16, 2018 Joel David Hamkins

### Comments on Boole’s Rings

- Comment on How tall is the automorphism tower of a group? by jvanname July 10, 2018 Comments for Joel David Hamkins
- Comment on The exact strength of the class forcing theorem by Open class determinacy is preserved by forcing | Joel David Hamkins July 2, 2018 Comments for Joel David Hamkins
- Comment on Open determinacy for class games by Open class determinacy is preserved by forcing | Joel David Hamkins July 2, 2018 Comments for Joel David Hamkins
- Comment on Infinite Sudoku and the Sudoku game by Nik Weaver June 24, 2018 Comments for Joel David Hamkins
- Comment on Kelley-Morse set theory implies Con(ZFC) and much more by Thomas Benjamin June 12, 2018 Comments for Joel David Hamkins

# Author Archives: Carl Mummert

## An incompleteness theorem for β_{n} models

My first paper was “An incompleteness theorem for $\beta_n$ models” with Stephen Simpson [1]. It’s a short paper, but the idea is very pretty. We know that the incompleteness theorem implies there are strange models of arithmetic, but these models … Continue reading

Posted in Papers, Research
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## AMS/ASL Special Session on Alan Turing

I arrived home yesterday from the 2012 Joint Mathematics Meetings in Boston, where I was a co-organizer of the AMS/ASL Special Session on the Life and Legacy of Alan Turing. The talks were wonderful, and the session went very smoothly, … Continue reading

Posted in Meetings
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## The logic of Reverse Mathematics

This post is about a research idea I have been thinking about which is quite different from my usual research. It’s an example of a project with an “old fashioned” feel to it, as if it could have been studied … Continue reading

## Moving to WordPress

For a while I have been thinking about migrating to a content management system for my web page. Previously I had a script I wrote that was essentially a simply wiki to let me edit pages from any web browser … Continue reading

Posted in Math on the web
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