The Twisted Twin of the Grigorchuk Group
classification
🧮 math.GR
keywords
grigorchukgrouptwistedadmitscongruencedifferencesendomorphicfinite
read the original abstract
We study a twisted version of Grigorchuk's first group, and stress its similarities and differences to its model. In particular, we show that it admits a finite endomorphic presentation, has infinite-rank multiplier, and does not have the congruence property.
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