2025/01/05 by Mourichoux, Mathieu
#60D05 #FOS: Mathematics #Probability (math.PR)
paper · doi:10.48550/arxiv.2501.02571
A point of a metric space is called a k-hub if it is the endpoint of exactly k disjoint geodesics, and that the concatenation of any two of these paths is still a geodesic. We prove that in the Brownian sphere, there is no k-hub for k≥ 3.