Robert Osserman
Contributor
LOCATION: Berkeley, CA, United States
Special Projects Director, Mathematical Sciences Research Institute, Berkeley, California. Author of Two-dimensional Calculus; Poetry of the Universe: A Mathematical Exploration of the Cosmos.
Primary Contributions (7)
Four-colour map problem, problem in topology, originally posed in the early 1850s and not solved until 1976, that required finding the minimum number of different colours required to colour a map such that no two adjacent regions (i.e., with a common boundary segment) are of the same colour. Three…
READ MORE