Tag Archive: geometry

Unscheduled Post: Hyperbolic Polydron

What happens when you put seven equilateral triangles round a point?   Inspired by sumidiot who was himself inspired by division by zero who were making paper hyperbolic soccer balls, I thought I would put… Continue reading

Angle sum formulae

Only a short post this week.  I am on holiday for a few days from tomorrow.  Yippee! In playing with algebraic equations I found myself wanting the angle sum formulae: Being a forgetful… Continue reading

Unscheduled Post: Visualising 3D

I cannot resist replying to a post in Cosmic Variance: Why Can’t We Visualize More Than Three Dimensions? The comments section says much of this already, in addition to the wonderful: Your better off… Continue reading

WoW 2: vZome

The new website of the week: This week we have cowinners.  First one to realise gets the prize!  If you have found my ramblings of interest then you probably already know the zometool… Continue reading

Surfaces 2: Algebraic Surfaces

Some exploration of algebraic surfaces and how to design them.

Surfaces 1: The ooze of the past

Curves and surfaces are a wonderful visual representation of mathematics. They can move from the simple and profound to the complex and intriguing. They have even been accused of being part of a sinister plot. In addition the mathematics behind them is becoming increasingly useful in many areas, algebraic statistics for example.

Unscheduled Post: A couple of interesting posts

This is a glimpse into my browsing habits.  It starts with an interesting post on the Secret Blogging Seminar, on bidding games.  The basic idea is to take any game, add a stack… Continue reading