Repetition and transformation in group theory, patterns and tilings.
The site of a Japanese artist known for the "Star Cage". It presents bamboo sculptures, benches, an origami turbine and other works based on Fibonacci numbers and quasicrystal geometry, along with papers and Fibonacci-based music. The site design is old-fashioned, but it is still being updated.
A sculptor and mathematician working mainly with polyhedra. Alongside his sculptures, the site hosts long-standing educational material such as the Virtual Polyhedra encyclopedia.
A non-profit devoted to the connections between mathematics and art, music, architecture and culture. It runs the annual Bridges conference, held since 1998 and a central venue for mathematical art exhibitions and papers.