The Trigonometry of Hyperbolic Tessellations
The Trigonometry of Hyperbolic Tessellations
Abstract For positive integers p and q with ( p − 2)( q − 2) > 4 there is, in the hyperbolic plane, a group [ p, q ] generated by reflections in the three sides of a triangle ABC with angles π/ p , π/ q , π/2. Hyperbolic …