Abstract
We survey progress made in the understanding of concatenation hierarchies of regular languages during the last decades. This paper is an extended abstract meant to serve as a precursor of a forthcoming long version.
Funded by the DeLTA project (ANR-16-CE40-0007).
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In fact, the original formulation of Pin and Straubing considers level 2 in the Straubing-Thérien hierarchy and not level \(\frac{3}{2}\).
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Place, T., Zeitoun, M. (2017). Concatenation Hierarchies: New Bottle, Old Wine. In: Weil, P. (eds) Computer Science – Theory and Applications. CSR 2017. Lecture Notes in Computer Science(), vol 10304. Springer, Cham. https://doi.org/10.1007/978-3-319-58747-9_5
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