Outer forms of type with infinite genus
Sergey V. Tikhonov
Belarusian State University, Minsk, Belarus
![Outer forms of type $A_{2}$ with infinite genus cover](/_next/image?url=https%3A%2F%2Fcontent.ems.press%2Fassets%2Fpublic%2Fimages%2Fserial-issues%2Fcover-dm-volume-29-issue-4.png&w=3840&q=90)
Abstract
Let be an absolutely almost simple algebraic group over a field . The genus of is the set of -isomorphism classes of -forms of that have the same -isomorphism classes of maximal -tori as . We construct an example of outer forms of type with infinite genus.
Cite this article
Sergey V. Tikhonov, Outer forms of type with infinite genus. Doc. Math. 29 (2024), no. 4, pp. 805–814
DOI 10.4171/DM/963