ABSTRACT
The most important property of the relative homology modules Hq (X, A) is the existence of a connecting homomorphism H q ( X , A ) → H q − 1 ( A ) https://s3-euw1-ap-pe-df-pch-content-public-p.s3.eu-west-1.amazonaws.com/9780429502408/295d3acc-dfa3-4421-a2d3-a9c22ffb681c/content/eq287.tif"/>
