Rationality Problem for Generic Tori in Simple Groups

  • Anne Cortella

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

We prove that except for several already known cases, the generic torus of a simple (adjoint or simply connected) group is not stably rational. This confirms a conjecture by Le Bruyn on generic norm tori.

Original languageEnglish
Pages (from-to)771-793
Number of pages23
JournalJournal of Algebra
Volume225
Issue number2
DOIs
StatePublished - 15 Mar 2000
Externally publishedYes

Bibliographical note

Funding Information:
1Research was partially supported by the Ministry of Absorption (Israel), the Israel Science Foundation founded by the Israel Academy of Sciences and Humanities, and the Minerva Foundation through the Emmy Noether Research Institute.

Funding

1Research was partially supported by the Ministry of Absorption (Israel), the Israel Science Foundation founded by the Israel Academy of Sciences and Humanities, and the Minerva Foundation through the Emmy Noether Research Institute.

Funders
Emmy Noether Research Institute for Mathematics
Ministry of Absorption
Minerva Foundation
Israel Academy of Sciences and Humanities
Israel Science Foundation

    Keywords

    • Linear algebraic group; generic torus; birational invariant

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