Holmstrom Monoid

http://mathoverflow.net/questions/430/homological-algebra-for-commutative-monoids

“John, the monoid analogue of a long exact sequence is probably a simplicial monoid that is contractible (as a simplicial set), or something like that.” (James Borger on MO)

nLab page on Monoid

Created on June 9, 2014 at 21:16:13 by Andreas Holmström