Comment on the paper "Does Zeeman's Fine Topology Exist?" at   arXiv:1003.3703v1
  A constructive and straightforward proof of the existence of the Zeeman topology is provided, contradicting a fallacious claim contained in the paper "Does Zeeman's Fine Topology Exist?" available at arXiv:1003.3703v1. 
Giacomo Dossena
math-ph math.MP