On the algebraic K-theory of the coordinate axes over the integers
arXiv:0909.4287
Abstract
We show that K_{2i}(Z[x,y]/(xy),(x,y)) is free abelian of rank 1 and that K_{2i+1}(Z[x,y]/(xy),(x,y)) is finite of order (i!)^2. We also compute K_{2i+1}(Z[x,y]/(xy),(x,y)) in low degrees.
Final version, to appear in Homology, Homotopy and Applications