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| The Wolfram Language Mathematica program contained in notebook "JoinAcross-Counties-Adjacent Counties-Cities.nb" takes a list of Florida counties (and their respective adjacent counties) and performs a JoinAcross with another list of Florida... |
| Sometime ago; I ran into the following problem discussed in: [(1.) How to find positive integer solutions to a/(b + c) + b/(a + c) + c/(a + b) = 4 ][1]. A more general problem namely; solving a/(b + c) + b/(a + c) + c/(a + b) = N is tackled in:... |
| Please, read the following article to appear in next month's issue of the Notices of the American Mathematical Society: http://www.ams.org/notices/201410/rnoti-p1249.pdf Thank you! |