On the Gomory–Hu Inequality

Multi-Terminal Network Flows

Ralph E. Gomory, T. C. Hu · Journal of the Society for Industrial and Applied Mathematics · 1961 · 948 citations

Computing, Communication, Computer Science +9

The Number of Trees

Richard Otter · Annals of Mathematics · 1948 · 462 citations

Natural Sciences, Chemistry, Mathematics +7

Trees and ultrametric spaces: a categorical equivalence

Bruce Hughes · Advances in Mathematics · 2004 · 124 citations

Natural Sciences, Mathematics, Set Theory +8

Diameter and diametrical pairs of points in ultrametric spaces

Dmitry Dordovskyi, Oleksiy Dovgoshey, Evgeniy Petrov · P-Adic Numbers Ultrametric Analysis and Applications · 2011 · 44 citations

Natural Sciences, Mathematics, Geometry +5

Characterizing (quasi-)ultrametric finite spaces in terms of (directed) graphs

Vladimir Gurvich, M. Vyalyi · Discrete Applied Mathematics · 2012 · 41 citations

Natural Sciences, Computer Science, Mathematics +10