The z-Transform and Automata-Recognizable Systems of Nonhomogeneous Linear Recurrence Equations over Semirings. - Edoardo Carta-Gerardino (CSC, 2009)

Weighted Automata and Recurrence Equations for Regular Languages - Edoardo Carta-Gerardino; Parisa Babaali (CoRR, 2010)

The number of DFAs for a given spanning tree. - Parisa Babaali; Edoardo Carta-Gerardino; Christopher Knaplund (J. Supercomput., 2013)