The paper characterizes occurrence-preserving morphisms via interference-freeness, provides a decision algorithm, and applies the result to identify minimal unique substrings in the Fibonacci and Thue-Morse words.
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On Occurrence-Preserving Morphisms
The paper characterizes occurrence-preserving morphisms via interference-freeness, provides a decision algorithm, and applies the result to identify minimal unique substrings in the Fibonacci and Thue-Morse words.