Vladimir L. Popov: Rationality and the FML invariant

popovvl@mi.ras.ru

Submission: 2012, Dec 1

We construct counterexamples to the rationality conjecture regarding the new version of the Makar-Limanov invariant introduced in A. Liendo, G_a-actions of fiber type on affine T-varieties, J. Algebra 324 (2010), 3653--3665.

2010 Mathematics Subject Classification: 14E08, 14E07

Keywords and Phrases: algebraic group, stable rationality, field of invariants

Full text: dvi.gz 14 k, dvi 27 k, ps.gz 779 k, pdf.gz 91 k, pdf 107 k.


Server Home Page