Abstract:
We show that the Cremona group of rank 2 over a finite field is Jordan, and provide an upper bound for its Jordan constant which is sharp when the number of elements in the field is different from 2, 4, and 8.
Citation:
Yuri G. Prokhorov, Constantin A. Shramov, “Jordan Property for the Cremona Group over a Finite Field”, Algebra and Arithmetic, Algebraic, and Complex Geometry, Collected papers. In memory of Academician Alexey Nikolaevich Parshin, Trudy Mat. Inst. Steklova, 320, Steklov Math. Inst., Moscow, 2023, 298–310; Proc. Steklov Inst. Math., 320 (2023), 278–289
\Bibitem{ProShr23}
\by Yuri~G.~Prokhorov, Constantin~A.~Shramov
\paper Jordan Property for the Cremona Group over a Finite Field
\inbook Algebra and Arithmetic, Algebraic, and Complex Geometry
\bookinfo Collected papers. In memory of Academician Alexey Nikolaevich Parshin
\serial Trudy Mat. Inst. Steklova
\yr 2023
\vol 320
\pages 298--310
\publ Steklov Math. Inst.
\publaddr Moscow
\mathnet{http://mi.mathnet.ru/tm4298}
\crossref{https://doi.org/10.4213/tm4298}
\transl
\jour Proc. Steklov Inst. Math.
\yr 2023
\vol 320
\pages 278--289
\crossref{https://doi.org/10.1134/S0081543823010133}
\scopus{https://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-85152525735}
Linking options:
https://www.mathnet.ru/eng/tm4298
https://doi.org/10.4213/tm4298
https://www.mathnet.ru/eng/tm/v320/p298
This publication is cited in the following 2 articles:
A V Zaitsev, “Jordan Constants of Cremona Group of Rank 2 Over Fields of Characteristic Zero”, International Mathematics Research Notices, 2025:6 (2025)