Grigorchuk, R.I.; Krylyuk, Ya.S.(Algebra and Discrete Mathematics, 2012)
It is shown that the KNS-spectral measure of the typical Schreier graph of the action of 3-generated 2-group of intermediate growth constructed by the first author in 1980 on the boundary of binary rooted tree coincides ...
Автор відсутній(Algebra and Discrete Mathematics, 2012)
On May 11, 2012, we celebrate the 100th anniversary of the birth of Sergei Nikolaevich Chernikov (1912 – 1987), a great mathematician, one of the main founders of infinite group theory.