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The symmetric signature of a Witt space (1106.4798v2)
Published 23 Jun 2011 in math.AT and math.GT
Abstract: Witt spaces are pseudomanifolds for which the middle-perversity intersection homology with rational coefficients is self-dual. We give a new construction of the symmetric signature for Witt spaces which is similar in spirit to the construction given by Miscenko for manifolds. Our construction has all of the expected properties, including invariance under stratified homotopy equivalence.
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