[math-fun] two letters by george mackey sent to then college sophomore stephanie frank singer, ca 1982
2 May
2007
2 May
'07
1:23 a.m.
I thought these were interesting http://www.symmetrysinger.com/Mackey/letter1.pdf http://www.symmetrysinger.com/Mackey/letter2.pdf -- Thane Plambeck tplambeck@gmail.com http://www.plambeck.org/ehome.htm
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Thane Plambeck