A Family of Piecewise Expanding Maps having Singular Measure as a limit of ACIM's
by Zhenyang Li, Pawel Gora, Abraham Boyarsky, Harald Proppe and Peyman Eslami

older_preprint   submitted June 20, 2011 to ETDS

preprint as accepted to ETDS

Maple 12 program    (zipped) to play with. Shows graphs of densities and related calculations.