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cs.DM2018
On the entropy of coverable subshifts
Guilhem Gamard
A coloration w of Z^2 is said to be coverable if there exists a rectangular block q such that w is covered with occurrences of q, possibly overlapping. In this case, q is a cover o…
cs.DM2018
Quasiperiods of biinfinite Sturmian words
Florian Barbero, Guilhem Gamard, Anaël Grandjean
We study the notion of quasiperiodicity, in the sense of "coverability", for biinfinite words. All previous work about quasiperiodicity focused on right infinite words, but the pas…