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# Tag Archives: T. S. Eliot

## 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

Posted in geography, history
Tagged Budapest, Four Quartets, Gul Baba, Little Gidding, roses, T. S. Eliot, yew tree
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## Permutation patterns, day 2

In Russell Square, just opposite De Morgan House, is the T. S. Eliot yew tree, planted by the Indian High Commissioner in 1996. Yew trees appear in several places in Eliot’s work. But the one I find most evocative occurs in Section … Continue reading

Posted in events
Tagged Brownian excursions, categories, Dyck paths, quasisymmetric functions, symmetric functions, T. S. Eliot, yew tree
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## Mathematical Structures, 0

My new course “Mathematical Structures” begins next week. (This is my slightly perverse way of celebrating my retirement.) Every week, after the lectures, I will post the lecture notes and supplementary material on the course web page. This will be … Continue reading

## Necessity

While reading Thomas Malory’s Le Morte D’Arthur, in Chapter 25 of Book 8, I came upon this striking sentence: Ye shall want no thing that you behoveth My first parsing of it was wrong. When it was written, the nominative … Continue reading

Posted in mathematics and ...
Tagged behove, Julian of Norwich, Malory, necessary condition, T. S. Eliot
9 Comments

## Ambiguity, 2

JoAnne Growney has recently referred again to our small disagreement about the role of ambiguity in mathematics and in poetry. The fact is that I really agree with her, but it is very hard to make a good argument for … Continue reading

Posted in mathematics and ...
Tagged cohomology, Coxeter diagrams, Dynkin diagrams, root systems, T. S. Eliot, Ursula K. Le Guin
4 Comments