Anne Qu'eguiner-Mathieu

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20232025

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3 papers · 1 filter

math.RA2023

Triality over fields with $I^{3} = 0$

Fatma Kader Bingöl, Anne Quéguiner-Mathieu

We characterize isotropic trialitarian triples in terms of the Schur indices of the underlying algebras over a base field $F$ of arbitrary characteristic satisfying $I_{q}^{3} F = 0$ . We…

math.KT2023

Witt groups of Severi-Brauer varieties and of function fields of conics

Anne Quéguiner-Mathieu, Jean-Pierre Tignol

The Witt group of skew hermitian forms over a division algebra $D$ with symplectic involution is shown to be canonically isomorphic to the Witt group of symmetric bilinear forms ov…

math.AG2023

Higher Tate traces of Chow motives

Charles De Clercq, Anne Quéguiner-Mathieu

We establish the complete classification of Chow motives of projective homogeneous varieties for $p$ -inner semi-simple algebraic groups, with coefficients in $\mathbb{Z}/p\mathbb{Z…

Triality over fields with I3=0

Witt groups of Severi-Brauer varieties and of function fields of conics

Higher Tate traces of Chow motives

Triality over fields with $I^{3} = 0$