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Feb 28

On Symmetries of an Icosahedron

 

http://math.ucr.edu/home/baez/six.html

http://math.ucr.edu/home/baez/week79.html

http://www.ams.org/notices/199509/kostant.pdf

http://www.ams.org/notices/199509/index.html

symmetries of the cube: https://www.math.lsu.edu/~verrill/teaching/discrete2020/Spring2005/cubesolution.pdf

http://www.ams.org/samplings/feature-column/fcarc-cubes7