essential – Konrad Voelkel's Blog – Mathemagically

mathematics and other sciences, useful software and some philosophy

Tag: essential

13 August, 2011 in category english, life, mathematics by Konrad Voelkel.

Definition of essential manifolds, lens spaces as example of non-aspherical essential manifolds.

http://blog.konradvoelkel.de/2011/08/essential-manifolds/