Homology, Homotopy and Applications (HHA) is a fully refereed international journal dealing with homology and homotopy in algebra and topology and their applications to the mathematical sciences.
Volume 10, Number 1
Publication Date: 2008
Excision for $K$-theory of connective ring spectra
Bjørn Ian Dundas and Harald Øyen Kittang; 29-39
The Euler characteristic of a category as the sum of a divergent series
Clemens Berger and Tom Leinster; 41-51
Homology, Homotopy and Applications