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Re:I no longer understand my PhD dissertation by sampo on Sunday February 14, 2016 @09:50PM (#11101250)
This point is more thoroughly explained under section 7 here: https://web.williams.edu/Mathematics/lg5/Rota.pdf
Re:I no longer understand my PhD dissertation by JabavuAdams on Sunday February 14, 2016 @11:10PM (#11101459)
Thanks for that. My engineering DiffEqs course is where my math foundation started to fail me.