Abstract
Functions whose composition with every metric is a metric are said to be metric-preserving. In this paper, we investigate a variation of the concept of metric-preserving functions where metrics are replaced by ultrametrics.
Citation
Prapanpong Pongsriiam. Imchit Termwuttipong. "Remarks on Ultrametrics and Metric-Preserving Functions." Abstr. Appl. Anal. 2014 1 - 9, 2014. https://doi.org/10.1155/2014/163258