The *hyperbolic plane* is a geometry whose points are those of a disk, and the lines are circular arcs that meet the boundary circle of the disk at a right angle. 298 more words

## Tags » Hyperbolic Geometry

#### Hyperbolic Cubes (Spheres X)

#### Schläfli - for lush, voluminous polyhedra

Because of some turbulence in real life (™) over the last few months, it’s been somewhat hard to concentrate on research. Fortunately the obligation of teaching sometimes exerts the right sort of psychological pressure to keep my mind on mathematics in short bursts. 2,283 more words

#### Math at the Cooper Hewitt

The Cooper Hewitt, Smithsonian Design Museum in Manhattan was closed for renovation for three years before it reopened at the end of 2013. The current exhibition features an overview sample of their vast collection. 243 more words

#### SnapPy 2.3 released

Marc Culler and I are pleased to announce version 2.3 of SnapPy. New features include:

- Major improvements to the link and planar diagram component… 100 more words

#### Complex hyperbolic geometry of knot complements

This morning there was a paper which caught my eye:

324 more wordsDeraux, M. & Falbel, E. 2015 Complex hyperbolic geometry of the figure-eight knot.

Geometry & Topology…

#### Mr Spock complexes (after Aitchison)

The recent passing of Leonard Nimoy prompts me to recall a lesser-known connection between the great man and the theory of (cusped) hyperbolic 3-manifolds, observed by my friend and former mentor Iain Aitchison. 993 more words

#### Smaller on the inside

This week, I’ve been reading about the hyperbolic plane. I became curious about this peculiar concept in mathematics after reading a short parody of Alice’s Adventures in Wonderland, in which the Mad Hatter’s tea party took place at a hyperbolic table. 382 more words