1. School of Mathematical Sciences, Queen Mary, University of London, Mile End Road, London, E1 4NS, United Kingdom 2. Mathematisches Institut, Albert-Ludwigs-Universit?t, Eckerstr. 1, 79104, Freiburg, Germany
Abstract:
We establish (geometric) criteria for an -tree to be compact and to be locally compact. It follows that locally compact -trees are separable. Received: 10 September 2007