Author Archives: Peter Cameron

About Peter Cameron

I count all the things that need to be counted.

Proper Jordan schemes exist!

Posted on 28/06/2019

A new field of research has just been created by Misha Klin, Misha Muzychuk and Sven Reichard: proper Jordan schemes. They answered a question which I posed some time ago (I don’t remember when), about whether such objects exist. I … Continue reading →

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Position at St Andrews

Posted on 19/06/2019

We have just advertised a lectureship in Pure Mathematics. The advertisement is here. Come join us!

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Combinatorics at Strathclyde

Posted on 19/06/2019

Two years ago, we enjoyed a successful British Combinatorial Conference at the University of Strathclyde in Glasgow. For me it was memorable for several reasons: the appearance of my book “Notes on Counting”, my fall to the floor during the … Continue reading →

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Plan S-for-shock

Posted on 31/05/2019

I do have views about open access, and you might have expected me to discuss Plan S before now. But I know quite a bit more about it than I did, thanks to two things: a visit to the department … Continue reading →

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Tuna Altınel

Posted on 31/05/2019

Many of you have probably already heard the news that Tuna Altınel, a mathematician of Turkish nationality working in France, was arrested on a family visit to Turkey. His alleged crimes are signing a petition requesting peace talks, and taking … Continue reading →

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Association schemes for diagonal groups

Posted on 12/05/2019

Sean Eberhard commented on my posts on diagonal groups (see here and here). He is correct; there is an association scheme preserved by the full diagonal group with n factors in the socle; it is non-trivial if n > 2. The details … Continue reading →

Posted in open problems | Tagged , , , | 1 Comment

London Combinatorics Colloquia 2019

Posted on 11/05/2019

In London last week for the two combinatorics colloquia, at Queen Mary and LSE. The weather was unusually grey and rainy; it seems in retrospect that it is almost always fine and sunny for this event, but I know that … Continue reading →

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