category theory - Long exact sequence into short exact sequences - Mathematics Stack Exchange
abstract algebra - Split and non splitting short exact sequence - Mathematics Stack Exchange
algebraic topology - Proving the Splitting Lemma on pg.147 in AT. - Mathematics Stack Exchange
Lecture 3: Exact sequences and Free Modules 1- Exact Sequences Definitions and Comments Suppose that the R-module M is the direc
SOLVED: commutes exact sequence that 0 CLMsn 30 is & split short Suppose R-module Prove that of R-modules and suppose that D is any HomR(M, D) L Homp(L,D) + 0 HomR(N, D)
A question about split short exact sequence | Physics Forums