Classical Geometries (math 128A) Fall. 2013. MWF 9:30 to 10:40 in Physical Sciences 114
Prof.: Richard Montgomery. 4120 McHenry. Office hours: M 11-12. Th: 12-2 of 10/10, 10/24; 11/7; 11/21, 11/28. and 2:10-4:10: 10/3, 10 /17, 10/31, 11/14, may be changed ...

TA: Michael Magee. Office hrs: MW 4-5:30pm in McH 1261.

SYLLABUS

TEXTS:
PART 1: EUCLID. Online versions: Joyce or Byrnes . Print version: Heath
PART II, and some HW for part I: Reader and Stillwell's Four Pillars...

Homework Sets *** HW3 here, due Wed Oct 16 **

Homework Solutions
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I lately don't post stuff on ecommons, most stuff is here.

suggested reading
Outline, Part I (problem based)

Good Links for Part I. Wikis: Euclidean geometry , Geometry , Synthetic Geometry , Thales' Theorem .
***GEOGEBRA : a web-based ruler and compass tool
Lectures MAYBE TO BE FILLED IN...

A few heroes:



Euclid



Poincare


Lobachevsky


Bolyai


Riemann


Gromov

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More good links.. (part II, misc.) .. Hyperbolic geometry (wiki) angle of Parallelism (wiki)
BELOW HERE : you will find some working links and .. a buncha Broken links... in progress....
A deal with the Devil

photos of class Platonic solids from Nov 6.
Selected Sites: .......

Spherical
*** interactively spherical
***

Stereographic Projection
Stereo. projection java script interactive animations of stereo projections of platonic solids. Mobius

HYPERBOLIC :
*** hyperbolic tilings, interactive
*** Angels & Devils

All of the above &

*** R Schwartz ..just Plain Fun! and projective and games and ...

N-Body
*** N bodies moving on Platonic Solids
*** starting with `from triangles to CP1'