Talks to U3A Maths Group

PDFs of Powerpoint slides

There's some mistakes in them!

• The Affine Wealth Model - Trickle Up
• A Modern View of Stokes’ Theorem
• Spooky Action at a Distance
• Envy Free Cake Cutting
• Evil Puzzles set by Prison Wardens
• The Axioms that Euclid Forgot
• Recommender Systems and Scottish Country Dancing
• Kepler's Laws using school maths
• Knot Theory
• Linkages and Kempe's Universality Theorem
• Mathematics of Paper Folding
• Pentagonal Tilings
• The Planimeter
• Projective Geometry
• Fast Computer Arithmetic
• The Square Root of 2 is Irrational
• The Calculus of Variations
• The Orthocentre + Folding paper in Three
• Mamikon's Visual Calculus