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# Category Archives: mathematics and …

## Note on infinity

A common caricature of the view of the mediaeval scholastics is that they wondered whether the number of angels who can dance on the head of a pin is infinite or not. In fact, this calumny was invented much later. … Continue reading

## Bayes again

It is always a pleasure to read David Colquhoun’s posts. The most recent explains a simple statistical point that still escapes many health adminisitrators (and others). He describes two tests for Alzheimer’s disease. The first (which I will discuss) is … Continue reading

## Donald Preece: obituary and bibliography

Rosemary has written a long obituary of Donald, far too long for a journal to consider, but worth having on record (I think).

Posted in doing mathematics, history, mathematics and ...
Tagged combinatorics, Donald Preece, music, statistics
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## Augustinian mathematics

In the Quotes on this blog, I have the following from David Knowles, in The Evolution of Medieval Thought: Augustine took from the Neoplatonists that interest in number, which to the ordinary reader of his works seems an idiosyncrasy. … … Continue reading

Posted in history, mathematics and ...
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## Estimation and accuracy

I am back in London, desperately trying to throw off a bad cold in time to start lecturing to 305 students on Monday morning. Various reading matter, chiefly Nature and Significance, provoked a few thoughts on the topic of estimation … Continue reading

## Will computers discover topology?

We have just had, as usual, a set of very fine lectures at the British Combinatorial Conference at Royal Holloway. I’ve said a bit about the lectures by Doron Zeilberger and Einar Steingrímsson. I can’t discuss them all, but I … Continue reading

Posted in events, mathematics and ...
Tagged matroids, representable, Robertson-Seymour theorem, structure, surfaces
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## Some mathematical images

Some time ago, a friend gave me a book of poetry by the Iranian poet Sohrab Sepehri (1928–1980). The book consists of a long poem, The Traveler, and a collection of shorter poems entitled We Nothing But Look. The book … Continue reading