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dc.contributor.authorRanicki, Andrew
dc.contributor.authorConnolly, Frank
dc.date.accessioned2003-11-17T17:05:56Z
dc.date.available2003-11-17T17:05:56Z
dc.date.issued2003-04-02
dc.identifier.citationwww.arXiv:math.AT/0304016 v1en
dc.identifier.urihttp://hdl.handle.net/1842/237
dc.description.abstractCappell’s codimension 1 splitting obstruction surgery group UNiln is a direct summand of the Wall surgery obstruction group of an amalgamated free product. For any ring with involution R we use the quadratic Poincar´e cobordism formulation of the L-groups to prove that Ln(R[x]) = Ln(R) (+) UNiln(R;R,R) . We combine this with M. Weiss’ universal chain bundle theory to pro- duce almost complete calculations of UNil.(Z; Z,Z) and theWall surgery obstruction groups L.(Z[D1]) of the infinite dihedral group D1 = Z2 * Z2. Our main results are stated in 0.2.en
dc.format.extent341130 bytes
dc.format.mimetypeapplication/pdf
dc.language.isoen
dc.titleON THE CALCULATION OF UNILen
dc.typePreprinten


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