Dynamical correspondences of -Betti numbers
Bingbing Liang
Max-Planck-Institut für Mathematik, Bonn, Germany
Abstract
We investigate dynamical analogues of the -Betti numbers for modules over integral group ring of a discrete sofic group. In particular, we show that the -Betti numbers exactly measure the failure of addition formula for dynamical invariants.
Cite this article
Bingbing Liang, Dynamical correspondences of -Betti numbers. Groups Geom. Dyn. 13 (2019), no. 1, pp. 89–106
DOI 10.4171/GGD/480