search for: turocy

...sh (and other types of) equilibria in game theory. (http://gambit.sourceforge.net/). Gambit was an NSF funded project led by Dr. Richard McKelvey, who was one of the leading mathematical political scientists in the US (before his untimely death). It has been continued by his students, primarily Ted Turocy. In Gambit, great care is taken to avoid any floating point calculations involving fractions until the latest possible step. There is a rational number class and fractions are added and subtracted in a more exact way. I think it "lowest common denominator" or similar concept. (I remembe...