Abstract:Abstract.In 1964 the concept of the span of a metric space was introduced by A. Lelek. Since that time, some modified versions of the span have been considered. To date, the metric spaces for which the various spans have been explictly calculated have mainly been objects for which the span is zero. In this paper, we calculate and estimate the spans of simple triods.Questions have been raised concerning the relationships between these various versions of spans. For instance, it was conjectured that the surjecti… Show more
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