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What is a regular language of data words?

Speaker(s)
Mikołaj Bojańczyk
Affiliation
Uniwersytet Warszawski
Date
April 30, 2008, 2:15 p.m.
Room
room 5870
Seminar
Seminar Automata Theory

It is impossible to define an automaton model for data words that would simultaneously satisfy several reasonable requirements, such as closure under boolean operations, decidable emptiness, etc. I will present some attempts that have appeared to this day, and compare their relative shortcomings.