The present book intends to be a less comprehensive and purely mathematical version of Lichtenberg’s commentaries. The pictures that motivated the writing of the book are mainly those appearing in the mathematical works of Felix Klein and Robert Fricke.

Most of them show tesselations of the noneuclidean plane. Comments on their group theoretical, geometric, and function-theoretical meaning are, of course, available in the more than two thousand pages published by Klein and Fricke on this subject. But these comments are not easily accessible.

Read more at http://ebookee.org/Noneuclidean-Tesselations-and-Their-Groups-Pure-and-Applied-Mathematics-Volume-61-repost-_2204233.html#GzcuetgFt27LTy3q.99