Talk:Homology

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What are homology rings? I would think that homology is only defined in abelian categories. How else can you divide by the previous map's image? AxelBoldt

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This ought to be a disambiguation page, with links to "homology (mathematics)" and to the (more well-known?) "homology (biology)". That it is not, can only mean that nowhere near enough biologists are found among Wikipedians. Since there are probably 20 times as many biologists as mathematicians, it shouldn't be that hard to recruit them by publicizing Wikipedia among them. Mike Hardy