<html><head></head><body><div style="font-family: Verdana;font-size: 12.0px;"><div>Hi John:</div>
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<div>Some mothers are more erudite than others. But, erudite mothers matter too!</div>
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<div>Much of what I see in your papers tickles memories of things I once knew rather well regarding differential manifolds, diffential forms, Clifford algebras, etc. dF=0, for example, written as d²A=0 says that A is an exact form, which gives it lots of nice propeties---and so on and so forth. This is all very nice, but your terminology appears to me to be distinct from that in math/phys lit on the matter. </div>
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<div>Do you have a paper somewhere that makes the comparison? Can you start your story in the histrocially conventional notation and then carefully introduce your specaializations so that the known maths consequences of what you'r about can just be looked up rather than rediscovered? </div>
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<div>Likewise, there are giant software packages for Clifford algebra applications in existence. While not at all easy to jump in and use them, it is still much easier than redoing the whole thing.</div>
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<div>BTW, as one who holds that photons do not exist (just photo electrons) I have grave indigestion over the idea of modeling the electron on the photon! Seems it ought be the other way around; there is credible empirical evidence for the existence of electrons, where as there is none for photons (distinguished from photo electons!).</div>
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<div>ciao, Al</div>
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<div style="margin:0 0 10px 0;"><b>Gesendet:</b> Sonntag, 15. November 2015 um 05:20 Uhr<br/>
<b>Von:</b> "John Williamson" <John.Williamson@glasgow.ac.uk><br/>
<b>An:</b> "Nature of Light and Particles - General Discussion" <general@lists.natureoflightandparticles.org>, "david williamson" <david.williamson@ed.ac.uk><br/>
<b>Cc:</b> "pete@leathergoth.com" <pete@leathergoth.com>, "Mark, Martin van der" <martin.van.der.mark@philips.com>, "Nicholas Bailey" <Nicholas.Bailey@glasgow.ac.uk><br/>
<b>Betreff:</b> Re: [General] SU(2) equation set</div>
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<p class="MsoNormal"><span>Hello everyone,</span></p>
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<p class="MsoNormal"><span>Yes Al – I could not agree more. We can do better though, as I have said before. I always say to others that, if one truly understands anything, one should be able to explain it at any level. Mums are important!</span></p>
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