My Relevant Papers/Pattern
- Eight Heptagons: The Double Torus Revisited, my Bridges 2020 paper.
- Capturing Eight-Color Double-Torus Maps, my Bridges 2014 paper.
- Crochet Pattern for Granny's Double Torus, Bridges 2020 supplementary file.
- Granny's Double Torus on Ravelry.
My Relevant Artworks
- Tea for Eight, painted stacked tea set.
- Eight-Color 8, bead crochet pendant.
- Map-Coloring Jewelry Set, bead crochet and bead weaving.
More Links for Further Information
- Unscientific Unamerican, and Other April Fools' Jokes in SA History , on Martin Gardner's five-color map joke.
- Invertible Infinity: A Toroidal Fashion Statement , by Ellie Baker and Charles Wampler, describes the fabric torus that likes to fold into an equilateral triangle.
- Euler Characteristic (Wikipedia).
- Genus of a Surface (Wikipedia).
- Heawood Number of a Surface (Wikipedia).
- Seven-Color Tori, a collection of torus maps by various artists.
- Moira Chas Crochet Map Page.
- Crochet Topology, an AMS feature column by Moira Chas.
- Making Mathematics with Needlework: Ten Papers and Ten Projects, edited by sarah-marie belcastro and Carolyn Yackel, contains my chapter on Fortunatus's Purse, including the dodecahedral purse.
- Colorful Mathematics, an AMS feature column by Joseph Malkevitch that describes map-coloring theorems on m-pire maps.
Talk Slides
Note that these are not meant to be self-contained, but merely to collect some of the visual aids to the presentation.