Two short proofs of the topological invariance of intersection homology
classification
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math.AT
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shortaxiomsgoresky-macphersonhomologyintersectioninvarianceproofstopological
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We indicate two short proofs of the Goresky-MacPherson topological invariance of intersection homology. One proof is very short but requires the Goresky-MacPherson support and cosupport axioms; the other is slightly longer but does not require these axioms and so is adaptable to more general perversities.
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