Cohomological Invariants in Positive Characteristic
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DOI: 10.1093/imrn/rnaa321
Abstract: We determine the mod $p$ cohomological invariants for several affine group schemes $G$ in characteristic $p$. These are invariants of $G$-torsors with values in étale motivic cohomology, or equivalently in Kato’s version of Galois cohomology… read more here.
Keywords: positive characteristic; cohomology; invariants positive; cohomological invariants ... See more keywords