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A Remark on Code Sets and Context-Free Languages

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1 Author(s)
Greibach, S.A. ; Department of System Science, University of California

Given two nonempty sets of nonempty codewords S = {s1,...,sn} and T = {t1,...,tm}, it is decidable whether there are i1,...,lkand j1,...,jksuch that si1...sik= tj1...tjk, and furthermore, the set of all such solutions is a one counter language.

Published in:

Computers, IEEE Transactions on  (Volume:C-24 ,  Issue: 7 )