User talk:Pj.de.bruin

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Hermitian adjoint
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)