Real trees
Combinatorics
2023-03-15 v1
Abstract
We survey the definition and some elementary properties of real trees. There are no new results, as far as we know. One purpose is to give a number of different definitions and show the equivalence between them. We discuss also, for example, the four-point inequality, the length measure and the connection to the theory of Gromov hyperbolic spaces. Several examples are given.
Keywords
Cite
@article{arxiv.2303.07920,
title = {Real trees},
author = {Svante Janson},
journal= {arXiv preprint arXiv:2303.07920},
year = {2023}
}
Comments
23 pages