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1998 | OriginalPaper | Buchkapitel

On the Complexity of Free Monoid Morphisms

verfasst von : Klaus-Jörn Lange, Pierre McKenzie

Erschienen in: Algorithms and Computation

Verlag: Springer Berlin Heidelberg

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We locate the complexities of evaluating, of inverting, and of testing membership in the image of, morphisms h: Σ* → Δ*. By and large, we show these problems complete for classes within NL. Then we develop new properties of finite codes and of finite sets of words, which yield image membership subproblems that are closely tied to the unambiguous space classes found between L and NL.

Metadaten
Titel
On the Complexity of Free Monoid Morphisms
verfasst von
Klaus-Jörn Lange
Pierre McKenzie
Copyright-Jahr
1998
Verlag
Springer Berlin Heidelberg
DOI
https://doi.org/10.1007/3-540-49381-6_27