The state complexities of some basic operations on regular languages
Theoretical Computer Science
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In this paper, we study the state complexities of four combined operations: L*1 ∪ L2, L*1 ∩ L2, LR1 ∪ L2, and LR1 ∩ L2. The tight bounds for all these combined operations on regular languages are obtained and proved. We show that, as usual, they are different from the mathematical compositions of the state complexities of their individual participating operations.