Timeline for Torsion in cuspidal cohomology

8 events

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Jun 7, 2012 at 17:27	comment	added	Autumn Kent		@Misha: Yeah, my interpretation of equality as meaning that T survives is psychological, I guess. One more edit to further clarify.
Jun 7, 2012 at 17:26	history	edited	Autumn Kent	CC BY-SA 3.0	deleted 1 characters in body
Jun 7, 2012 at 17:15	comment	added	Misha		@Richard, I understand what you are saying now. However, it seems to me that in the context of the question, equality would not make much sense since $H_{cusp}$ is the quotient of $H_1$, not a subgroup. I think the equality sign in question is just the (common) abuse of notation. Nevertheless, you have a very nice example which shows that torsion part of $H_1$ could lie in the image of $i_*$. It also suggests that one should check what happens in the case of other Seifert manifolds.
Jun 7, 2012 at 16:54	comment	added	Autumn Kent		Edited to clarify.
Jun 7, 2012 at 16:53	history	edited	Autumn Kent	CC BY-SA 3.0	deleted 87 characters in body
Jun 7, 2012 at 16:41	comment	added	Autumn Kent		@Misha: The answer is an attempt to emphasize the difference between isomorphism and equality. As the question asks for equality, I think this is relevant.
Jun 7, 2012 at 16:30	comment	added	Misha		@Richard, it seems you are saying A and not A in your answer.
Jun 7, 2012 at 15:53	history	answered	Autumn Kent	CC BY-SA 3.0