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Lower central series of a group of tree automorphisms

✍ Scribed by A. V. Rozhkov


Publisher
SP MAIK Nauka/Interperiodica
Year
1996
Tongue
English
Weight
537 KB
Volume
60
Category
Article
ISSN
0001-4346

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For a set X, an equivalence relation ρ on X, and a cross-section R of the partition X/ρ, consider the following subsemigroup of the semigroup T (X) of full transformations on X: The semigroup T (X, ρ, R) is the centralizer of the idempotent transformation with kernel ρ and image R. We prove that th