Input- or output-unary sweeping transducers are weaker than their 2-way counterparts

Autor: Bruno Guillon
Rok vydání: 2016
Předmět:
Zdroj: RAIRO - Theoretical Informatics and Applications. 50:275-294
ISSN: 1290-385X
0988-3754
DOI: 10.1051/ita/2016028
Popis: In a previous paper we showed that two-way (nondeterministic) transducers with unary input and output alphabets have the same recognition power as the sweeping ones. We show that this no longer holds when one of the alphabets has cardinality at least 2.
Databáze: OpenAIRE