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20182025
most citedShuffle squares and ordered nest-free graphs

2 citations · 2 across the 6 of their papers we have counts for

collaborators

6 papers

math.CO2025★ 2 cited

Shuffle squares and ordered nest-free graphs

Jarosław Grytczuk, Bartłomiej Pawlik, Andrzej Ruciński

A shuffle square is a word consisting of two shuffled copies of the same word. For instance, the Turkish word $\mathtt{\color{red}{ik}\color{blue}{i}\color{red}{li}\color{blue}{kli…

math.CO2024

Words Avoiding Tangrams

Michał Dębski, Jarosław Grytczuk, Bartłomiej Pawlik +2

A \emph{tangram} is a word in which every letter occurs an even number of times. Such word can be cut into parts that can be arranged into two identical words. The minimum number o…

math.CO2023

Variations on shuffle squares

Jarosław Grytczuk, Bartłomiej Pawlik, Mariusz Pleszczyński

We study decompositions of words into subwords that are in some sense similar, which means that one subword may be obtained from the other by a relatively simple transformation. Ou…

math.CO2022

Extensions and reductions of square-free words

Michał Dębski, Jarosław Grytczuk, Bartłomiej Pawlik

A word is square-free if it does not contain a nonempty word of the form as a factor. A famous 1906 result of Thue asserts that there exist arbitrarily long square-free words…

math.CO2021

Square-free extensions of words

Jarosław Grytczuk, Hubert Kordulewski, Bartłomiej Pawlik

A word is square-free if it does not contain nonempty factors of the form . In 1906 Thue proved that there exist arbitrarily long square-free words over a -letter alphabet.…

math.GR2018

The Girth of Cayley graphs of Sylow 2-subgroups of symmetric groups on diagonal bases

Bartłomiej Pawlik

A diagonal base of a Sylow 2-subgroup of symmetric group is a minimal generating set of this subgroup consisting of elements with only one non-zero coordinate in…