Category Archives: exposition

a post aimed to teach something

10th birthday of MSG

Another event last week was the 10th anniversary talk in the Mathematics Study Group at South Bank University. This group was set up by Carrie Rutherford, whose photo is below (as well as a mathematician at South Bank, she is … Continue reading

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The Infinite Quest

In late May, I was in Hay-on-Wye at the How the Light Gets In festival. I talked about humanity’s engagement with infinity over the last few millennia, from Malunkyaputta’s questions to the Buddha and Aristotle’s disavowal of a completed infinity … Continue reading

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Regular polytopes, 3

In the last two posts on regular polytopes, I gave away something about my method of working. Although I have known about regular polytopes for a long time, I have never attempted to do research on them before. I find … Continue reading

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Picture of an isomorphism

We spent a very busy and enjoyable weekend with Hans Hockey, a statistician who lives in Hamilton, and his family. When we arrived, Hans showed me a picture he had taken, of the 81 SET cards laid out on a … Continue reading

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Computational group theory, 2

If a group is presented to me (by one of the methods discussed in the preceding post, or as a black box), one of the first things I might want to know is “which group is it?” This presupposes that … Continue reading

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Computational group theory, 1

Computational group theory is the art or science of using a computer to learn something about a group. I was introduced to it by John Cannon in the early 1980s. It seems like a black art to many mathematicians (myself … Continue reading

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A celebration of diversity

Today, the University of Auckland put on a morning meeting entitled Excellence in Mathematics: A Celebration of Diversity. As the program (which is here) makes clear, it is actually a celebration of female mathematicians, and in particular the recent Fields … Continue reading

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