PlanetMath (more info)
 Math for the people, by the people. Sponsor PlanetMath
Encyclopedia | Requests | Forums | Docs | Wiki | Random | RSS  
Login
create new user
name:
pass:
forget your password?
Main Menu
sections
Encyclopædia
Papers
Books
Expositions

meta
Requests (237)
Orphanage
Unclass'd
Unproven (550)
Corrections (54)
Classification

talkback
Polls
Forums
Feedback
Bug Reports

downloads
Snapshots
PM Book

information
News
Docs
Wiki
ChangeLog
TODO List
Copyright
About
References to 'short exact sequence'
1. decomposition of a module using orthogonal idempotents by alozano
2. extension by bwebste
3. generalized Schanuel's lemma by CWoo
4. homology of $\mathbb{RP}^3$. by mathcam
5. injective module by antizeus
6. long exact sequence (of homology groups) by mathcam
7. projective equivalence by CWoo
8. projective module by antizeus
9. pure subgroup by CWoo
10. semisimple ring by CWoo
11. split short exact sequence by antizeus