User talk:Pj.de.bruin
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Hello Pj.de.bruin and welcome to Wikipedia! Hope you like it here, and stick around.
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I noticed you've done some editing on this article so I assume you may be somewhat familiar with it. The article seems to be in an inconsistent state right now (e.g. are operators assumed to be bounded etc). Also , wouldn't it make more sense to relate this to other articles, such as the one on Self-adjoint operators? What do you think? CSTAR 15:12, 12 Oct 2004 (UTC)
- Hi CSTAR; no I'm not familiar; did just some typographical corrections. Peter 20:32, 4 July 2006 (UTC)