Tag Archives: Jaap Seidel

G2D2, 4: the second week

Posted on 04/09/2019 by Peter Cameron

The lecturers of the first two minicourses now gave way for the second team. Mike Boyle and Scott Schmieding told us about symbolic dynamics, in particular, subshifts and their automorphism groups. This was particularly valuable to me: I had dove … Continue reading →

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London Combinatorics Colloquia 2016

Posted on 12/05/2016 by Peter Cameron

The tenth London Combinatorics Colloquia took place over the last two days. (As was pointed out, this is not the same as the tenth anniversary!) A dozen really excellent talks, and I cannot do justice to them all, so I … Continue reading →

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Ernie Shult

Posted on 07/08/2015 by Peter Cameron

Ernie Shult died last month. I just heard the news, from Corneliu Hoffman’s mailing list. I first met Ernie at a “microconference” on permutation groups organised in Oxford by Peter Neumann in the early 1970s when I was just starting … Continue reading →

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From the archive, 4

Posted on 06/01/2014 by Peter Cameron

A photocopy of a sheet of paper in my handwriting. At the top left, my initials are written in the handwriting of Jaap Seidel. The page begins as follows. Theorem. Let X be a set of points in the n-cube … Continue reading →

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Precursors

Posted on 05/02/2012 by Peter Cameron

Jorge Luis Borges is one of the most mathematical of great writers. In an essay entitled “Kafka and his Precursors”, he pointed out that there is a strange collection of pieces and fragments, including Zeno’s paradox and stories by Han … Continue reading →

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Andries Brouwer is (nearly) 60

Posted on 07/03/2011 by Peter Cameron

Last week there was a conference for Andries Brouwer’s 60th birthday. Actually he is 60 on 3/4/2011, but we had some lectures to celebrate his birthday on 4/3/2011. The picture shows Andries at my birthday party in Ambleside in 2007 … Continue reading →

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