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- Path: sparky!uunet!ogicse!network.ucsd.edu!galaxy!ucrmath!baez
- From: baez@ucrmath.ucr.edu (john baez)
- Newsgroups: sci.math
- Subject: Re: polynomial roots and zero divisors
- Message-ID: <22038@galaxy.ucr.edu>
- Date: 28 Aug 92 18:55:33 GMT
- Article-I.D.: galaxy.22038
- References: <27AUG199211450866@cs.umass.edu> <640033@otter.hpl.hp.com>
- Sender: news@galaxy.ucr.edu
- Organization: University of California, Riverside
- Lines: 18
- Nntp-Posting-Host: ucrmath
-
- In article <640033@otter.hpl.hp.com> sec@otter.hpl.hp.com (Simon Crouch) writes:
- >In sci.math, rcollins@cs.umass.edu (Bob Collins) writes:
-
- >> I would like to find the eigenvalues/vectors of a square
- >> matrix. Unfortunately, the elements of the matrix are not
- >> members of a field. In particular, they are "dual numbers",
-
- > I'm unfamiliar with Yaglom's definition, but you seem to be using
- > a very simple case of "superspace" (the definition of it that
- > is the algebra generated by 1 and anticommuting b_{1}....b_{n})
- > with one anticommuting generator.
-
-
-
- It may come in handy when looking for references to know that "dual
- numbers," "super-vector spaces," "Grassman algebras," and "exterior
- algebras" are all the same thing. Most of the modern math literature
- uses the last terminology, and the symbol Lambda V where V is the vector
-