Four Colours Suffice

IMBM
istanbul matematiksel bilimler merkezi
istanbul center for mathematical sciences
Four Colours Suffice
Robin Wilson
Open University, U.K.
Abstract
This talk outlines the history and the eventual proof (after 124 years) of the fourcolour theorem. The main ideas of the Appel-Haken proof and of later work are
described.
Date: Thursday, April 8, 2010
Time: 15:00
Place: IMBM Seminar Room, Boğaziçi University