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Motivic cohomology spectral sequence and Steenrod operations
Published online by Cambridge University Press: 24 June 2016
Abstract
For a prime number $p$ , we show that differentials
$d_{n}$ in the motivic cohomology spectral sequence with
$p$ -local coefficients vanish unless
$p-1$ divides
$n-1$ . We obtain an explicit formula for the first non-trivial differential
$d_{p}$ , expressing it in terms of motivic Steenrod
$p$ -power operations and Bockstein maps. To this end, we compute the algebra of operations of weight
$p-1$ with
$p$ -local coefficients. Finally, we construct examples of varieties having non-trivial differentials
$d_{p}$ in their motivic cohomology spectral sequences.
MSC classification
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- Research Article
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- Copyright
- © The Author 2016
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