Lecture notes and other undergraduate material Projective Geometry Chapter 1. Projective Geometry Chapter 2. Quadrics Chapter 3. Exterior Chapter 4. The Klein programme Download these notes as a single ZIP file Geometry of Surfaces Chapter 1. Topology Chapter 2. Riemann Surfaces Chapter 3. Surfaces in R^3 Chapter 4. Hyperbolic Geometry Appendix Download these notes as a single ZIP file Differentia