Abstract
Abelian properties of words is a widely studied field in combinatorics on words. Two finite words are abelian equivalent if for each letter they contain the same numbers of occurrences of this letter. In this paper, we give a short overview of some directions of research on abelian properties of words, and discuss in more detail two new problems: small abelian complexity of two-dimensional words, and abelian subshifts.
Partially supported by Russian Foundation of Basic Research (grant 18-31-00118).
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Puzynina, S. (2019). Abelian Properties of Words. In: Mercaş, R., Reidenbach, D. (eds) Combinatorics on Words. WORDS 2019. Lecture Notes in Computer Science(), vol 11682. Springer, Cham. https://doi.org/10.1007/978-3-030-28796-2_2
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DOI: https://doi.org/10.1007/978-3-030-28796-2_2
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