### Boole’s Rings

- 2018 in preview January 21, 2018 Peter Krautzberger
- Dynamical sets whose union with infinity is connected January 19, 2018 Dave Sixsmith – I am a mathematician, not a calculator
- The dynamics of quasiregular maps of punctured space January 19, 2018 Dave Sixsmith – I am a mathematician, not a calculator
- The modal logic of arithmetic potentialism and the universal algorithm January 16, 2018 Joel David Hamkins
- A technique that could be used to construct and improve proof-of-work problems. January 13, 2018 Joseph Van Name

### Comments on Boole’s Rings

- Comment on The set-theoretical multiverse by jvanname January 22, 2018 Comments for Joel David Hamkins
- Comment on The set-theoretical multiverse by Joel David Hamkins January 12, 2018 Comments for Joel David Hamkins
- Comment on The set-theoretical multiverse by jvanname January 10, 2018 Comments for Joel David Hamkins
- Comment on Discussion of McCallum’s paper on Reinhardt cardinals in ZF by Rupert McCallum January 8, 2018 Comments for Joel David Hamkins
- Comment on Discussion of McCallum’s paper on Reinhardt cardinals in ZF by Rupert McCallum January 8, 2018 Comments for Joel David Hamkins

# Monthly Archives: January 2012

## 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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