Rationality and the Jordan-Gatti-Viniberghi decomposition

Canadian mathematical bulletin

Jason Levy¹ 

[1] Department of Mathematics and Statistics, University of Ottawa, 585 King Edward, Ottawa, ON K1N 6N5

关键词: reductive group;    $G$-module;    Jordan decomposition;    orbit closure;    rationality;   

DOI  :  10.4153/CMB-2012-039-0

学科分类：数学（综合）

来源: University of Toronto Press * Journals Division

【 摘 要 】

We verify our earlier conjectureand 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.

【 授权许可】

Unknown