TOPOLOGY is one of those branches of mathematics where some of the simple results are very easy to state and appreciate. However, the underlying mathematics is rather hard and it is not easy to prove what seems quite obvious. Topology used to be considered a branch of geometry although now it is seen more as a branch of abstract algebra. In this lecture we will just look at some of the entertaining facts and not generally bother with how they might be proved.
KeywordsProjective Plane Euler Characteristic Free Edge Klein Bottle Regular Figure
Unable to display preview. Download preview PDF.