Noether-Lefschetz for K_1 of a Surface, Revisited

Abstract

Let Z be a general surface in P^3 of degree at least 5. Using a Lefschetz pencil argument, we give an elementary new proof of the vanishing of a regulator on K_1(Z).

8 pages in AMSLatex

References in corpus (2)

• Constructing Indecomposable Motivic Cohomology Classes on Algebraic Surfaces
• Indecomposable K_1 and the Hodge-D-conjecture for K3 and Abelian Surfaces