Rost's invariant g_3 determines Albert algebras arising from the first Tits construction uniquely

par Vladimir Chernousov (Université d'Alberta)

jeudi 13 oct. 2022, 11:15 → 12:15 Europe/Paris

112 (ICJ (Braconnier))

Joint work with A. Lourdeaux and A. Pianzola. We provide new evidence that Serre’s question whether cohomological invariants determine Albert algebras/groups of type F4 uniquely up to isomorphism might have a positive answer.