Category Archives: history

the shadow of the past

Budapest moment

The moment of the rose and the moment of the yew tree Are of equal duration T. S. Eliot, “Little Gidding” This picture is of a corner of the sadly neglected gardens around the tomb of Gül Baba, the person … Continue reading

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History of the Random Graph

That wonderful object, the countable random graph, was first considered by Erdős and Rényi in their paper on “Asymmetric graphs” in 1963. After proving that a large random finite graph (edges chosen independently with probability 1/2) has (with high probability) … Continue reading

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Runnymede and Whitby

The two excursions at the Durham symposium were a walk down to Palace Green to see the Cathedral and the Magna Carta exhibition, and a trip to Robin Hood’s Bay and Whitby (with a walk between the two). This year … Continue reading

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Tunisia

Tunisia has been in the news for the wrong reasons. I sincerely hope that the people of this beautiful and hospitable country are not seriously harmed by the recent terrorist outrages. The best I can do to show my solidarity … Continue reading

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Antiflag-transitive groups

More than 35 years ago, Bill Kantor and I published a paper classifying the finite antiflag-transitive collineation groups of classical projective and polar spaces. This was before the Classification of Finite Simple Groups had been announced, although it was already … Continue reading

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Edinburgh

To Edinburgh yesterday for the admission of new Fellows of the Royal Society of Edinburgh. The grey city was looking at its best in the spring sun: people were sitting on the grass in Princes Street Gardens, or crowding round … Continue reading

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From the archive, 9

Looking for a book yesterday, I turned up a file of old papers. One of them I think deserves an afterlife, so I re-typed it and here it is. First, the background. Let A be an n×n matrix. The permanent … Continue reading

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