Notes on Geometry and Spacetime (Version 7.2)

Abstract

This is a set of unpublished lecture notes for a course on "Geometry and Spacetime" that I taught several times at the University of California in Irvine. I discuss Minkowski spacetime in some detail and consider a number of issues concerning the foundations of (so called) "special relativity". I also discuss connections between Minkowskian geometry and non-Euclidean (= hyperbolic) plane geometry