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- Path: sparky!uunet!cs.utexas.edu!tamsun.tamu.edu!zeus.tamu.edu!dwr2560
- From: dwr2560@zeus.tamu.edu (RING, DAVID WAYNE)
- Newsgroups: sci.physics
- Subject: Re: Group representation
- Date: 21 Jan 1993 19:19 CST
- Organization: Texas A&M University, Academic Computing Services
- Lines: 14
- Distribution: world
- Message-ID: <21JAN199319190571@zeus.tamu.edu>
- References: <1993Jan19.182309.29942@ramsey.cs.laurentian.ca>
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-
- andre@ramsey.cs.laurentian.ca (Andre Roberge) writes...
- >My problem arises when dealing with representations that are not
- >square matrices. For example, in particle physics, one puts fundamental
- >fermions in the "15" representation, etc., which I have seen written
- >as a column vector. ****How does such a representation satisfy the group
- >multiplication rule?**** Is it still truly a representation, or
- >is this a misuse of the word?
-
- It is in fact a misuse of the word. The representation is actually
- the 15x15 matrices which act on the vector when you want to make a
- transformation.
-
- Dave Ring
- dwr2560@zeus.tamu.edu
-