In mathematics, a uniformly disconnected space is a metric space ( X , d ) {\displaystyle (X,d)} for which there exists λ > 0 {\displaystyle \lambda >0}
such that no pair of distinct points x , y ∈ X {\displaystyle x,y\in X} can be connected by a λ {\displaystyle \lambda } -chain. A λ {\displaystyle \lambda } -chain between x {\displaystyle x} and y {\displaystyle y} is a sequence of points
x = x 0 , x 1 , … , x n = y {\displaystyle x=x_{0},x_{1},\ldots ,x_{n}=y} in X {\displaystyle X} such that d ( x i , x i + 1 ) ≤ λ d ( x , y ) , ∀ i ∈ { 0 , … , n } {\displaystyle d(x_{i},x_{i+1})\leq \lambda d(x,y),\forall i\in \{0,\ldots ,n\}} .
Properties Uniform disconnectedness is invariant under quasi-Möbius maps.
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