Witt rings, Pfister forms, and equivariant birational geometry
Brendan Hassett, Yuri Tschinkel
math.AGarXiv:2608.17821
Abstract
We study equivariant birational geometry of quadrics with actions of finite groups and develop analogs of Witt groups and Pfister theory in the equivariant context.
Create a lesson
Related papers
Relative cone of curves and extremal contractions of a successive blowup
Yuto Masamura
Bertini's theorem for F-rationality is false
Thomas Polstra, Austyn Simpson
Surfaces of general type with extremal cotangent dimension
Damian Brotbek, Bruno de Oliveira, Erwan Rousseau
Monodromic Perverse Sheaves on Shifted Contact Stacks
Efe İzbudak
On curves with one place at infinity
Abdallah Assi, Wael Mahboub
Pedal Curves of a Bicorn
Thierry Dana-Picard, Moshe Hanau, Shmuel Krichevsky