Outer forms of type $A_{2}$ with infinite genus
Documenta mathematica, Tome 29 (2024) no. 4, pp. 805-814
Cet article a éte moissonné depuis la source EMS Press
Let G be an absolutely almost simple algebraic group over a field K. The genus genK(G) of G is the set of K-isomorphism classes of K-forms G′ of G that have the same K-isomorphism classes of maximal K-tori as G. We construct an example of outer forms of type A2 with infinite genus.
Classification :
16K20, 20G15
Mots-clés : division algebra, algebraic group, genus, maximal subfield of a division algebra, algebra with involution
Mots-clés : division algebra, algebraic group, genus, maximal subfield of a division algebra, algebra with involution
@article{10_4171_dm_963,
author = {Sergey V. Tikhonov},
title = {Outer forms of type $A_{2}$ with infinite genus},
journal = {Documenta mathematica},
pages = {805--814},
year = {2024},
volume = {29},
number = {4},
doi = {10.4171/dm/963},
url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/963/}
}
Sergey V. Tikhonov. Outer forms of type $A_{2}$ with infinite genus. Documenta mathematica, Tome 29 (2024) no. 4, pp. 805-814. doi: 10.4171/dm/963
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