DeBruijn Strings, Double Helices, and the Ehrenfeucht-Mycielski Mechanism
We revisit the pseudo-random sequence introduced by Ehrenfeucht and Mycielski and its connections with DeBruijn strings.
math.CO↗
arXiv subjects
Terry R. McConnell
Publications and source records attributed to Terry R. McConnell.
The Kepler Problem: Orbit Cones and Cylinders
Planetary orbits, being conic sections, may be obtained as the locus of intersection of planes and cones. The planes involved are familiar to anyone who has studied the classical Kepler problem. We focus here on the cones.
physics.class-ph↗