On the Simplification of HD0L Power Series
Juha Honkala · Zenodo (CERN European Organization for Nuclear Research) · 2020
Abstract: Nielsen, Rozenberg, Salomaa and Skyum have shown that HD0L languages are CPDF0L languages. We will generalize this result for formal power series. We will also give a new proof of the result of Nielsen, Rozenberg, Salomaa and Skyum.