Ok, with the hyperbolic plane and its metric and geodesics out of the way, we can start getting into some surface theory. 583 more words
Tags » Hyperbolic Geometry
Nothing stands still except in our memory.
- Phillipa Pearce, Tom’s Midnight Garden
In mathematics we are always putting new wine in old bottles. No mathematical object, no matter how simple or familiar, does not have some surprises in store.2,222 more words