Although it arose from purely theoretical considerations of the underlying axioms of geometry, the work of Einstein and Dirac has demonstrated that hyperbolic geometry is a fundamental aspect of modern physics. In this book, the rich geometry of the hyperbolic plane is studied in detail, leading to the focal point of the book, Poincare's polygon theorem and the relationship between hyperbolic geometries and discrete groups of isometries. Hyperbolic 3-space is also discus...
You can specify the type of files you want, for your gadget.Hyperbolic Geometry (London Mathematical Society Student Texts) | Birger Iversen. A good, fresh read, highly recommended.
