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Homotopy theory, homological algebra, algebraic treatments of manifolds.
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Must a weak homotopy equivalence induce an isomorphism between stable homotopy groups?
I'm confused by the following question:
$f:X\to Y$ is a weak homotopy equivalence, that is $f_*:\pi_*(X)\to \pi_*(Y)$ is an isomorphism for any dimensional homotopy groups. However, for the stable hom …