### Boole’s Rings

- A variety of mathematical proof-of-work problems will provide better security for cryptocurrencies than hash-based proof-of-work problems May 24, 2017 Joseph Van Name
- Euclidean Ramsey Theory 2 – Ramsey DocCourse Prague 2016 May 24, 2017 Mike Pawliuk
- Graphs obtained from endomorphic Laver tables May 16, 2017 Joseph Van Name
- Moment of Zen May 16, 2017 Asaf Karagila
- Kaethe Lynn Bruesselbach Minden, PhD 2017, CUNY Graduate Center May 12, 2017 Joel David Hamkins

### Comments on Boole’s Rings

- Comment on A program that accepts exactly any desired finite set, in the right universe by Joel David Hamkins May 26, 2017 Comments for Joel David Hamkins
- Comment on Infinite Combinatorial Topology by saf May 25, 2017 Comments for Assaf Rinot
- Comment on Infinite Combinatorial Topology by Ari Brodsky May 25, 2017 Comments for Assaf Rinot
- Comment on A Microscopic approach to Souslin-tree constructions. Part I by saf May 24, 2017 Comments for Assaf Rinot
- Comment on Math for nine-year-olds: fold, punch and cut for symmetry! by Symmetry – G∞AT May 23, 2017 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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