Berhuy, Grégory
[Ecole Polytechnique Fédérale de Lausanne]
Monsurrò, Marina
[Ecole Polytechnique Fédérale de Lausanne]
Tignol, Jean-Pierre
[UCL]
Using a cohomological obstruction, we construct examples of absolutely simple adjoint classical groups of type 2A_n with n equivalent to 3 mod 4, C_n or 1D_n with n equivalent to 0 mod 4, which are not R-trivial hence not stably rational.
Bibliographic reference |
Berhuy, Grégory ; Monsurrò, Marina ; Tignol, Jean-Pierre. Cohomological invariants and R-triviality of adjoint classical groups. In: Mathematische Zeitschrift, Vol. 248, no. 2, p. 313-323 (2004) |
Permanent URL |
http://hdl.handle.net/2078.1/39934 |