Une remarque sur l'invariant de Arf

2025/07/01 by Marin, Alexis
#11E04 #11E81 #FOS: Mathematics #Number Theory (math.NT)

paper · doi:10.48550/arxiv.2507.00890

Abstract

An alternative construction, using Witt's formalism, of the Arf-invariant of quadratic forms in characteristic 2.

Related

• Two refined notions in quadratic form theory
• Generalized Arf invariants and reduced power operations in cyclic homology
• Subtle Characteristic Classes
• Generalized Arf invariants in algebraic L-theory
• Classes of forms Witt equivalent to a second trace form over fields of characteristic two