2014/09/23 by Carmesin, Johannes · 1 citation
#05B35 #05C63 #Combinatorics (math.CO) #FOS: Mathematics
paper · doi:10.48550/arxiv.1409.6640
We show that every connected graph has a spanning tree that displays all its topological ends. This proves a 1964 conjecture of Halin in corrected form, and settles a problem of Diestel from 1992.