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Canonical decompositions for Poincaré duality pairs

The authors previously described an algebraic analogue of the JSJ-decomposition of a 3-manifold. This analogue is defined for any finitely presented, one-ended group. We study this analogue in the special case of Poincaré duality pairs.

preprint2020arXivOpen access
Peter ScottGadde A. Swarup
math.GRmath.GT
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Peter ScottGadde A. Swarup

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