firstname.lastname@example.org, email@example.com, firstname.lastname@example.org
Submission: 2002, Jul 3
Using a cohomological obstruction, we construct examples of absolutely simple adjoint classical groups of various types which are not R-trivial hence not stably rational.
2000 Mathematics Subject Classification: 11E57, 20G15
Keywords and Phrases: classical groups, stable rationality, trace forms, similitudes of hermitian forms
Full text: dvi.gz 20 k, dvi 48 k, ps.gz 222 k, pdf.gz 128 k, pdf 150 k.