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II Numbers and Shapes
DOI link for II Numbers and Shapes
II Numbers and Shapes book
II Numbers and Shapes
DOI link for II Numbers and Shapes
II Numbers and Shapes book
Edited ByAlan Schoen, Tom Rodgers, Ed Pegg Jr
Edition 1st Edition
First Published 2011
Imprint A K Peters/CRC Press
Pages 94
eBook ISBN 9780429065217
ABSTRACT
Any map drawn on the torus can be colored in seven or fewer colors. There is a map on the torus that requires seven colors. We explain why the number seven arises, and describe our efforts to design knitted and crocheted tori exhibiting this map.