Surgery in codimension 3 and the Browder--Livesay invariants

Friedrich Hegenbarth, Yurij V. Muranov, Dušan Repovš

The inertia subgroup $I_n(\pi )$ of a surgery obstruction group $L_n(\pi )$ is generated by elements which act trivially on the set of homotopy triangulations $\Cal S(X)$ for some closed…