1 citations · 2 across the 6 of their papers we have counts for
4 papers · 2 filters
Algebraic and combinatorial codimension-1 transversality
Andrew Ranicki
The Waldhausen construction of Mayer-Vietoris splittings of chain complexes over an injective generalized free product of group rings is extended to a combinatorial construction of…
Generalized Arf invariants in algebraic L-theory
Markus Banagl, Andrew Ranicki
The difference between the quadratic L-groups L_*(A) and the symmetric L-groups L^*(A) of a ring with involution A is detected by generalized Arf invariants. The special case A=Z[x…
On the calculation of UNil
Frank Connolly, Andrew Ranicki
Cappell's codimension 1 splitting obstruction surgery group UNil_n(R;R,R) of a ring with involution R is a direct summand of the Wall surgery obstruction group L_n(R[D_{\infty}]) o…
Noncommutative localization in topology
Andrew Ranicki
A survey of the applications of the noncommutative Cohn localization of rings to the topology of manifolds with infinite fundamental group, with particular emphasis on the algebrai…