Category Archives: Uncategorized

Congratulations

… to Robert Schumacher, who passed his PhD viva this week. He has some revisions to do after a well-earned holiday. And thanks for the flowers!

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On foundations

Jack Edmonds stayed in my house for two and a half weeks, while giving his two courses on polyhedral combinatorics in London (I reported on the second one here). Whenever we spend time together, we have a robust discussion about … Continue reading

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Apology – out of contact

I’m afraid that, because of several emergencies (including a serious computer breakdown) I will be out of contact for an indefinite time. I will not be able to respond to email except perhaps sporadically. I hope things will be back … Continue reading

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East End self-reference

Gödelian pedantry is alive and well in Tower Hamlets: (The addition may be hard to read. It says, “How about signs?”)

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Don’t mind Cameron

I’ve used a line from Richard Brautigan’s novel The Hawkline Monster: A Gothic Western as a tagline for many years now. I haven’t re-read the book for a while, but on my recommendation, Scott Harper read it, and sent me … Continue reading

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Dodgy data

At the beginning of the year, my h-index on Google Scholar was 45. This is not going to be a rant about the vacuity of the h-index, or only indirectly. I don’t spend time working this out; Google Scholar does … Continue reading

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Donald’s design

In 1982, Donald Preece published a remarkable design (a “double Youden rectangle”) which he had recently constructed. The design is a layout of an ordinary pack of playing cards, with properties described below. I discussed this design before here. Donald … Continue reading

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