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math.AG2025
Linearization of finite subgroups of Cremona groups over non-closed fields
Boris Kunyavskii
We study linearizability properties of finite subgroups of the Cremona group in the case where is a global field, with the focus on the local-global princi…
math.AG2025
Birational properties of word varieties
Tatiana Bandman, Boris Kunyavskii, Alexei N. Skorobogatov
We prove that the subvariety of given by the matrix equation , where is a word in two letters, is closely related to an explicit smooth conic bund…