### Top Posts

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- Peter Cameron on Association schemes for diagonal groups
- Sean Eberhard on The Hall–Paige conjecture
- Sean Eberhard on A problem
- Peter Cameron on A problem
- Sean Eberhard on A problem

### Blogroll

- Alexander Konovalov
- Annoying precision
- Astronomy Picture of the Day
- Azimuth
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- Bob Walters
- British Combinatorial Committee
- CIRCA tweets digest
- CoDiMa
- Coffee, love, and matrix algebra
- Comfortably numbered
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- Gödel's lost letter and P=NP
- Gil Kalai
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- Jon Awbrey
- Kourovka Notebook
- LMS blogs page
- Log24
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- Marie Cameron's blog
- MathBlogging
- Micromath
- Neill Cameron
- neverendingbooks
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- numericana hall of fame
- Paul Goldberg
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- Robert A. Wilson's blog
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- Since it is not …
- Spitalfields life
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- SymOmega
- Tangential thoughts
- Terry Tao
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