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20092023
most citedFinite generating sets of relatively hyperbolic groups and applications to geodesic languages

26 citations · 75 across the 27 of their papers we have counts for

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Showing 2015 · cs.FLShow all

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cs.FL2015

Permutations of context-free and indexed languages

Tara Brough, Laura Ciobanu, Murray Elder

We consider the cyclic closure of a language, and its generalisation to the operators introduced by Brandstädt. We prove that the cyclic closure of an indexed language is ind…