Hi,
In the index of this book, under j, he references several 'jokes' found throughout the text. I can't find one on page 91 - anyone know what it is?
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3$\begingroup$ Well, may be that's the joke. $\endgroup$– algoriCommented Sep 24, 2010 at 20:16
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4$\begingroup$ Sorry, but I don't think that this is an appropriate question for MO. $\endgroup$– Andrew StaceyCommented Sep 24, 2010 at 20:21
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1$\begingroup$ Much as I'm fond of UAG, I'm inclined to regard this question as "too localized". $\endgroup$– Yemon ChoiCommented Sep 24, 2010 at 20:21
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1$\begingroup$ It might have something to do with the "Central electricity" on the ruled surface. I have not been that long in the UK to actually understand the joke, though. It's questionable whether this is an appropriate question, though. I'm voting to close. $\endgroup$– José Figueroa-O'FarrillCommented Sep 24, 2010 at 20:26
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1$\begingroup$ I can't recommend enough reading the "history and sociology of the modern subject", starting on page 114. It is a funny but also incredibly opinionated and informed piece: I have rarely read anything as blunt written about a group of mathematicians (namely Parisian algebraic geometers). $\endgroup$– Georges ElencwajgCommented Sep 24, 2010 at 20:53
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1 Answer
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Dear Robert, the joke on page 91 is that the ruled quadric depicted has "Central Electricity" written over it. It is an allusion to the cooling towers used by power plants. Here is the obligatory Wikipedia link:
answered Sep 24, 2010 at 20:23
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$\begingroup$ At the bottom of page 90 he mentions civil engineering and the advantages of this shape for building a curved surface out of concrete. $\endgroup$ Commented Sep 24, 2010 at 20:33
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1$\begingroup$ By the way Miles Reid is one ot the three only Ph.D. students Pierre Deligne ever had ( Rapoport and Le Dung Trang are the other two).Subject of thesis? Quadrics! $\endgroup$ Commented Sep 24, 2010 at 21:10