For any non-compact
Riemannian n-manifold M it is proved that the function λM: M × M →ℝ+
satisfies the triangular inequality. This result includes a Vuorinen conjecture. It
follows from an extension to generalized condensers of a property of extremal
functions.
Milestones
Received: 5 April 1994
Revised: 14 February 1995
Published: 1 September 1997
Authors
Jacqueline Ferrand
Universite Pierre et Marie
Curie
14 rue de Bagneux
F 92330 Sceaux, France