Talk:Quaternions: Difference between revisions

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imported>Catherine Woodgold
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== The inscription ==
== The inscription ==
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:I like the bridge story.  It has dramatic appeal.  As I remember and as it was told to me, what he wrote was "<math>i^2 = j^2 = k^2 = ijk = -1</math>".  I think it would be good to put this, perhaps in parentheses, right into the sentence of the article where it talks about him writing it -- or at the very least in a footnote (if someone can verify that that's what he wrote).  Did the incription stay up long?  Is there a plaque at the bridge talking about it?  It would be nice to get a bit more detail.  --[[User:Catherine Woodgold|Catherine Woodgold]] 19:38, 24 April 2007 (CDT)
:I like the bridge story.  It has dramatic appeal.  As I remember and as it was told to me, what he wrote was "<math>i^2 = j^2 = k^2 = ijk = -1</math>".  I think it would be good to put this, perhaps in parentheses, right into the sentence of the article where it talks about him writing it -- or at the very least in a footnote (if someone can verify that that's what he wrote).  Did the incription stay up long?  Is there a plaque at the bridge talking about it?  It would be nice to get a bit more detail.  --[[User:Catherine Woodgold|Catherine Woodgold]] 19:38, 24 April 2007 (CDT)
::John Baez wrote a bit about it at http://math.ucr.edu/home/baez/octonions/node24.html . -- [[User:Jitse Niesen|Jitse Niesen]] 20:20, 24 April 2007 (CDT)
:::Nice.  Could we put a link from the article to that web page?  --[[User:Catherine Woodgold|Catherine Woodgold]] 07:56, 1 May 2007 (CDT)

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 Definition:  Numbers of form a + bi + cj + dk, where a, b, c and d are real, and i2 = −1, j2 = −1 and k2 = −1. [d] [e]
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The inscription

The story of the famous bridge inscription is told at some length in Conway and Smith (see Complex number#Further reading for a full reference) where it is described as "one of the most famous acts of mathematical vandalism in history". Greg Woodhouse 11:14, 22 April 2007 (CDT)

I like the bridge story. It has dramatic appeal. As I remember and as it was told to me, what he wrote was "". I think it would be good to put this, perhaps in parentheses, right into the sentence of the article where it talks about him writing it -- or at the very least in a footnote (if someone can verify that that's what he wrote). Did the incription stay up long? Is there a plaque at the bridge talking about it? It would be nice to get a bit more detail. --Catherine Woodgold 19:38, 24 April 2007 (CDT)
John Baez wrote a bit about it at http://math.ucr.edu/home/baez/octonions/node24.html . -- Jitse Niesen 20:20, 24 April 2007 (CDT)
Nice. Could we put a link from the article to that web page? --Catherine Woodgold 07:56, 1 May 2007 (CDT)
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