Question
The head of a language is the set of all prefixes of its strings, that is head(L) = {x : xy L for some y
The head of a language is the set of all prefixes of its strings, that is head(L) = {x : xy L for some y }.
Show that the family of regular languages is closed under this operation.
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Database Systems For Advanced Applications 16th International Conference Dasfaa 2011 International Workshops Gdb Sim3 Flashdb Snsmw Damen Dqis Hong Kong China April 2011 Proceedings Lncs 6637
Authors: Jianliang Xu ,Ge Yu ,Shuigeng Zhou ,Rainer Unland
2011th Edition
3642202438, 978-3642202438
