Reductivity properties over an affine base
Publication date
2021-09
Authors
van der Kallen, Wilberd
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Document Type
Article
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Abstract
When the base ring is not a field, power reductivity of a group scheme is a basic notion, intimately tied with finite generation of subrings of invariants. Geometric reductivity is weaker and less pertinent in this context. We give a survey of these properties and their connections.
Keywords
General Mathematics
Citation
van der Kallen, W 2021, 'Reductivity properties over an affine base', Indagationes Mathematicae, vol. 32, no. 5, pp. 961-967. https://doi.org/10.1016/j.indag.2020.09.009