A short exact sequenceMathworldPlanetmathPlanetmath 0ABC0 is sometimes called an extension of C by A. This is also applied to an object B which fits into such an exact sequenceMathworldPlanetmathPlanetmathPlanetmathPlanetmath.

Title extension
Canonical name Extension
Date of creation 2013-03-22 13:51:10
Last modified on 2013-03-22 13:51:10
Owner bwebste (988)
Last modified by bwebste (988)
Numerical id 4
Author bwebste (988)
Entry type Definition
Classification msc 20E22