An alternative proof is provided for Wittenberg's descent conjecture on weak approximation with Brauer-Manin obstruction for rationally connected torsors under connected linear groups, using Cao's descent formula.
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A Simpler Approach to a Descent Conjecture of Wittenberg
An alternative proof is provided for Wittenberg's descent conjecture on weak approximation with Brauer-Manin obstruction for rationally connected torsors under connected linear groups, using Cao's descent formula.