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From: gwyn@brl-tgr.ARPA (Doug Gwyn <gwyn>)
Newsgroups: net.physics
Subject: Re: quantum theory and measurement
Message-ID: <11280@brl-tgr.ARPA>
Date: Sun, 16-Jun-85 04:03:54 EDT
Article-I.D.: brl-tgr.11280
Posted: Sun Jun 16 04:03:54 1985
Date-Received: Thu, 20-Jun-85 09:02:23 EDT
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> I thought that quantum theory was a special case of Schrodinger "Wave"
> Theory.  The Wave Theory is nonlinear, isn't it?

Nope, Schr"odinger waves obey the linear superposition principle.
Dirac's text spells out the algebraic details.  The fact that there
is a "matrix representation" proves the linearity.