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- Path: sparky!uunet!mcsun!uknet!keele!nott-cs!ucl-cs!news
- From: G.Joly@cs.ucl.ac.uk (Gordon Joly)
- Newsgroups: sci.math
- Subject: Transformations onto Euclidean Space
- Message-ID: <2987@ucl-cs.uucp>
- Date: 10 Sep 92 14:43:18 GMT
- Sender: news@cs.ucl.ac.uk
- Lines: 27
-
- David Griffith writes:
- > I apologize in advance for the hopelessly vague nature of this question but...
- >
- > Can anyone suggest a few mathematical methods to transform or map _something_
- > onto Euclidean or Minkowskian space. In other words, you have some
- > representation or some geometry that describes various points, you apply
- > the mapping and you get points in Euclidean space.
- >
- > As a for instance, let me make one up - each x, y and z coordinate is
- > actually the modulus of a complex number, so points in this six dimensional
- > complex space map onto the three dimensional real space.
- >
- > Thanks,
- >
- > Dave Griffiths
- >
- > PS: I'd appreciate a _finite_ list! :-)
-
-
- Here is a map: (it,x,y,z) <-> (t,x,y,z)
-
- Here is another map: (it,x,y,z) <-> (-t,x,y,z)
-
- I guess that is is wrong. Try looking a projective geometry
- literature, perhaps.
-
- Gordon.
-