Search Results - "Lourdeaux, Alexandre"
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Degree 2 cohomological invariants of linear algebraic groups
Published in Journal of pure and applied algebra (01-10-2022)“…The paper deals with cohomological invariants of smooth and connected linear algebraic groups over an arbitrary field. More precisely, we study degree 2…”
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On geometry of pseudo-reductive groups
Published in Communications in algebra (02-12-2022)“…Basing ourselves on the work of Conrad-Gabber-Prasad, we study retract rationality of some pseudo-reductive groups and calculate the Picard groups of some…”
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WITHDRAWN: A characterization of groups of type F4 arising from the first Tits construction
Published in Journal of algebra (01-02-2023)Get full text
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On geometry of some pseudo-reductive groups
Published 27-11-2020“…Based on the work of Conrad-Gabber-Prasad, the paper deals with the geometry of particular pseudo-semisimple groups, namely those which can be written as…”
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Degree 2 cohomological invariants of linear algebraic groups
Published 25-11-2020“…Journal of Pure and Applied Algebra, vol 226 (10), 2022 The paper deals with the cohomological invariants of smooth and connected linear algebraic groups over…”
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Faisceaux Q/Z(j) et conjecture de Gersten sur un corps imparfait
Published 18-10-2020“…On revoit explicitement la construction ainsi que certaines propri\'et\'es des complexes de faisceaux \'etales $\mathbb{Q}/\mathbb{Z}(j)$ sur certains…”
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A characterization of groups of type $F_4$ arising from the first Tits construction
Published 15-09-2022“…We show that algebraic groups of type $F_4$ (or equivalently Albert algebras) arising from the first Tits construction are determined uniquely by their $g_3$…”
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