Uniformly disconnected space

From HandWiki

In mathematics, a uniformly disconnected space is a metric space (X,d) for which there exists λ>0 such that no pair of distinct points x,yX can be connected by a λ-chain. A λ-chain between x and y is a sequence of points x=x0,x1,,xn=y in X such that d(xi,xi+1)λd(x,y),i{0,,n}.[1]

Properties

Uniform disconnectedness is invariant under quasi-Möbius maps.[2]

References

  1. Heinonen, Juha (2001). Lectures on Analysis on Metric Spaces. Universitext. New York: Springer-Verlag. pp. x+140. ISBN 0-387-95104-0. 
  2. Heer, Loreno (2017-08-28). "Some Invariant Properties of Quasi-Möbius Maps" (in en). Analysis and Geometry in Metric Spaces 5 (1): 69–77. doi:10.1515/agms-2017-0004. ISSN 2299-3274. https://www.degruyter.com/document/doi/10.1515/agms-2017-0004/html.