PO LYNOMIAL LANGUAGES WITH FINITE ANTIDICTIONARI ES

We tack le the p roblem of studyin g which kind of function scan o ccu r as c om p lex ity fu n c t ion s of form al lan gu ages of a cert ain ty p e.We p r ove t h at an im p ort ant n arrow s u b class of r at ion al lan gu ages c on -t ain s lan gu ages of p oly n om ial c om p lex ity of any int e ger d egree ove rany n on - t riv i al alp h ab e t