Browsing TD-Ciencias by Author "Uria Albizuri, Jone"
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Groups acting on regular rooted trees: congruence subgroup problem and portrait growth
Uria Albizuri, Jone (2017-12-11)Tesi honek zuhaitz errotu erregularren automorfismoen taldeen inguruko problema batzuk ebaztea du helburu. Talde hauek, Grigorchuk-en lehen taldea konkretuki, 80ko hamarkadan izan ziren lehenengoz definituak (ikus[26]), ...