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Rationality and the Jordan–Gatti–Viniberghi Decomposition

Published online by Cambridge University Press:  20 November 2018

Jason Levy
Jason Levy*
Affiliation:
Department of Mathematics and Statistics, University of Ottawa, 585 King Edward, Ottawa, ON K1N 6N5 e-mail: [email protected]
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Abstract

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We verify our earlier conjecture and use it to prove that the semisimple parts of the rational Jordan–Kac–Vinberg decompositions of a rational vector all lie in a single rational orbit.

Keywords

20G1514L24reductive groupG-moduleJordan decompositionorbit closurerationality
Type
Research Article
Information
Canadian Mathematical Bulletin , Volume 57 , Issue 1 , 14 March 2014 , pp. 97 - 104
Copyright
Copyright © Canadian Mathematical Society 2014

References

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