Article by Enrico M. Vitale

In collections: Attention-grabbing titles, Animals

The classical snake lemma produces a six terms exact sequence starting from a commutative square with one of the edge being a regular epimorphism. We establish a new diagram lemma, that we call snail lemma, removing...

URL: http://www.tac.mta.ca/tac/volumes/31/19/31-19abs.html

PDF: http://www.tac.mta.ca/tac/volumes/31/19/31-19.pdf

Entry: http://read.somethingorotherwhatever.com/entry/Thesnaillemma