This cluster of papers covers a wide range of topics in geometric mathematics, including hyperbolic geometry, loops, billiards in ellipses, Poncelet's theorem, Moufang loops, trigonometry, algebraic structures, and their applications in relativity and inversive geometry.
Geometry; Hyperbolic; Loops; Billiards; Poncelet; Moufang; Trigonometry; Algebraic; Relativity; Inversive