Lemma 12.14.5. Notation and assumptions as in Lemma 12.14.4 above. The morphism of complexes $\delta (s) : C_\bullet \to A[-1]_\bullet $ induces the maps

which occur in the long exact homology sequence associated to the short exact sequence of chain complexes by Lemma 12.13.6.

## Comments (0)

There are also: