Graphs capturing alternations in words

Halldorsson, Magnus and Kitaev, Sergey and Pyatkin, Artem; Gao, Yuan and Lu, Hanlin and Seki, Shinnosuke and Yu, Sheng, eds. (2010) Graphs capturing alternations in words. In: Developments in Language Theory. Lecture Notes in Computer Science . Springer-Verlag Berlin, CAN, pp. 436-437. ISBN 978-3-642-14454-7 (https://doi.org/10.1007/978-3-642-14455-4_41)

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Abstract

A graph G = (V,E) is representable if there exists a word W over the alphabet V such that letters x and y alternate in W if and only if (x, y) ∈ E for each x ≠ y. If W is k-uniform (each letter of W occurs exactly k times in it) then G is called k-representable. A graph is representable if and only if it is k-representable for some k [1].

ORCID iDs

Halldorsson, Magnus, Kitaev, Sergey ORCID logoORCID: https://orcid.org/0000-0003-3324-1647 and Pyatkin, Artem; Gao, Yuan, Lu, Hanlin, Seki, Shinnosuke and Yu, Sheng