Category
page 1Metric spaces
metric space
set equipped with a metric (distance function)
discrete space
topological space whose every subset is both open and closed
metrizable space
topological space that is homeomorphic to a metric space
ultrametric space
a type of metric space in which the triangle inequality is replaced by a stronger inequality using max in place of addition
Hadamard space
geodesically complete metric space of non-positive curvature