They may not know it, but grocers face some of the most difficult questions in mathematics when stacking produce each day. Four centuries ago, the astronomer and mathematician Johannes Kepler guessed ...

How to safely reopen offices, schools and other public spaces while keeping people six feet apart comes down to a question mathematicians have been studying for centuries. Sphere packing might seem ...

SIAM Journal on Numerical Analysis, Vol. 56, No. 1 (2018), pp. 274-295 (22 pages) In this paper, a numerical solution of partial differential equations on the unit sphere is given by using a kernel ...

Ok, say I have many pentagons. <BR><BR>I want to build an orb or sphere or whatever a 3 dimensional ball out of pentagons.<BR><BR>Is there a predetermined limit to the # of pentagon shaped pieces I ...