Coxeter. Conic Harmonic Property. Conjugate Points and Lines. Apollonius Clifford Singer iMuseum Vegas $1200
Galilean Plane. Relation Between Classical and Relativistic Mechanics In Minkowskian Geometry Clifford Singer iMuseum Vegas $1200
Minkowski. Similarities Between Complex, Dual and Double Numbers By Single Computation Clifford Singer iMuseum Vegas $1200
Minkowski Spacetime. Real and Imaginary Lengths of Line Relative Movement Between Endpoints Clifford Singer iMuseum Vegas $1200
Minkowskian Incycle of the Triangle Formed by the Angle Bisectors Clifford Singer iMuseum Vegas $1200