- Article
Approximation Relations on the Posets of Pseudoultrametrics
- Svyatoslav Nykorovych,
- Oleh Nykyforchyn and
- Andriy Zagorodnyuk
In this paper we study pseudoultrametrics, which are a natural mixture of ultrametrics and pseudometrics. They satisfy a stronger form of the triangle inequality than usual pseudometrics and naturally arise in problems of classification and recogniti...