A K-theoretic relative index theorem and Callias-type Dirac operators. Ulrich Bunke (1995) Mathematische Annalen

Algebraic $K$-theory of Fredholm modules and $KK$-theory. Kandelaki, Tamaz (2006) Journal of Homotopy and Related Structures

Equivariant Euler characteristics and $K$-homology Euler classes for proper cocompact $G$-manifolds. Lück, Wolfgang, Rosenberg, Jonathan (2003) Geometry & Topology

Ext classes and embeddings for ${C}^{*}$-algebras of graphs with sinks. Tomforde, Mark (2001) The New York Journal of Mathematics [electronic only]

Geometric $K$-homolgy and controlled paths. Keswani, Navin (1999) The New York Journal of Mathematics [electronic only]

Presentations of subshifts and their topological conjugacy invariants. Matsumoto, Kengo (1999) Documenta Mathematica

Tiling systems and homology of lattices in tree products. Robertson, Guyan (2005) The New York Journal of Mathematics [electronic only]