Bate, MichaelMartin, BenjaminRoehrle, Gerhard2021-02-192021-02-192020-11-09Bate, M, Martin, B & Roehrle, G 2020, 'Semisimplification for Subgroups of Reductive Algebraic Groups', Forum of Mathematics, Sigma, vol. 8, e43, pp. 1-10. https://doi.org/10.1017/fms.2020.302050-5094ArXiv: http://arxiv.org/abs/2004.08105v3ORCID: /0000-0002-6670-0857/work/90172054https://hdl.handle.net/2164/15895Acknowledgements: We are grateful to Brian Lawrence for his questions, which motivated this paper, and for his comments on an earlier draft.10356649engSemisimplificationG-complete reducibilitygeometric invariant theoryrationalitycocharacter-closed orbitsdegeneration of G-orbitsQA MathematicsQAJournal article10.1017/fms.2020.30https://arxiv.org/abs/2004.081058