2 papers
math.AG2026
Answer to a decomposition question on tori raised by Colliot-Thélène and Sansuc
Anis Zidani
The aim of this note is to present a simple strategy to answer negatively a decomposition question on tori posed by Colliot-Thélène and Sansuc in the article \textit{Principal Homo…
math.AG2026
Conjecture I for unirational algebraic groups over imperfect fields
Alexandre Lourdeaux, Anis Zidani
Serre's Conjecture I states that the first Galois cohomology set of any smooth connected linear algebraic group is trivial over a perfect field of cohomological dimension at most 1…