Exercises for a course "Topology", spring 2008 v1.0
### Continued fractions and Generalizations. Lectures and exercises. (Summer 2011)

- Introductional lecture (pdf). 15 March.

- On integer geometry (pdf). 22 March.

- Geometry of ordinary continued fractions (pdf). 29 March.

- Complete invariants of integer angles (pdf). 5 April, Part 1.

- Integer trigonometry for integer angles (pdf). 5 April, Part 2.

- Integer angles of integer triangles (pdf). 12 April.

- Elements of Gauss Reduction Theory via geometric continued fractions (pdf). 10 May.

- Moebius geometry and Gauss-Kuzmin distribution (pdf). 17 and 24 May.

- Continued fractions and the second Kepler law (pdf). 31 May.

- Multidimensional continued fractions in the sense of Klein (pdf). 15 June.

- Periodicity of Klein polyhedra (pdf). 28 June.

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