The Great Icosahedron

· John Carlos Baez · May 27, 2026, 8:09 a.m.
mathematics mathematics Geometry icosahedron Rational Numbers
Summary
John Carlos Baez explores the properties of the great icosahedron and its relationship with the field of rational numbers augmented by the square root of 5, highlighting its geometric transformations through the Galois group.
Read full post on johncarlosbaez.wordpress.com →
AUTHOR
Advertise
Sponsor diff.blog
Put your product in front of developers who read and write about their craft. One exclusive sponsor at a time.
Become a sponsor →