Difference between revisions of "Direct sum module"
From Maths
(Created page with "{{Stub page|grade=A|msg=Flesh out and document.}} __TOC__ ==Overview== There are two direct sums (categorical coproducts of modules): # External direct sum - which we...") |
(No difference)
|
Revision as of 13:24, 20 October 2016
Stub grade: A
This page is a stub
This page is a stub, so it contains little or minimal information and is on a to-do list for being expanded.The message provided is:
Flesh out and document.
Contents
Overview
There are two direct sums (categorical coproducts of modules):
- External direct sum - which we shall mean by default
- Internal direct sum - which we shall mean only if explicit.
These are isomorphic[1]
