“…Recall that, following Drozd [Dro], a finite category R is called tame if, for any dimension d, there exists a finite number [CB2]). An arbitrary locally bounded category R is said to be tame (respectively, of polynomial growth, domestic) if so is every finite full subcategory of R. We refer to [DS2] for results characterizing tame locally bounded categories. It has been proved in [DS1] that if R is a locally bounded category, G a group of automorphisms of R acting freely on the objects of R and R/G is tame, then R is tame.…”