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math.DS2026
Tameness of actions on finite rank median algebras
Michael G. Megrelishvili
We show that for every finite-rank median algebra , the rank of coincides with the independence number of the family of all median-preserving maps . In the comp…
math.DS2024
Key subgroups in the Polish group of all automorphisms of the rational circle
Michael Megrelishvili
Extending some results of a joint work with E. Glasner, we continue to study the Polish group of all circular order preserving permutations of the r…