https://blogs.scientificamerican.com/roots-of-unity/why-you-should-care-about-high-dimensional-sphere-packing/ https://blogs.scientificamerican.com/roots-of-uni

https://blogs.scientificamerican.com/roots-of-unity/why-you-should-care-about-high-dimensional-sphere-packing/ https://blogs.scientificamerican.com/roots-of-unity/why-you-... http://www.penzba.co.uk/cgi-bin/PvsNP.py?SpikeySpheres http://www.penzba.co.uk/cgi-bin/PvsNP.py?SpikeySpheres https://www.youtube.com/watch?v=mceaM2_zQd8 https://www.youtube.com/watch?v=mceaM2_zQd8