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math.NT2021★ 2 cited
Unramified Cohomology of Quadrics in Characteristic Two
Yong Hu, Peng Sun
Let be a field of characteristic 2 and let be a smooth projective quadric of dimension over . We study the unramified cohomology groups with 2-primary torsion co…
math.NT2021★ 3 cited
Chow Groups of Quadrics in Characteristic Two
Yong Hu, Ahmed Laghribi, Peng Sun
Let be a smooth projective quadric defined over a field of characteristic 2. We prove that in the Chow group of codimension 2 or 3 of the torsion subgroup has at most two e…