Tower-type bounds for unavoidable patterns in words

A word w is said to contain the pattern P if there is a way to substitute a nonempty word for each letter in P so that the resulting word is a subword of w. Bean, Ehrenfeucht and McNulty and, independently, Zimin characterised the patterns P which are unavoidable, in the sense that any sufficiently...

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Номзүйн дэлгэрэнгүй
Үндсэн зохиолчид: Conlon, D, Fox, J, Sudakov, B
Формат: Journal article
Хэвлэсэн: American Mathematical Society 2019