Theta-3 is connected
  In this paper, we show that the $\theta$-graph with three cones is connected. We also provide an alternative proof of the connectivity of the Yao graph with three cones. 
Oswin Aichholzer and Sang Won Bae and Luis Barba and Prosenjit Bose   and Matias Korman and Andr\'e van Renssen and Perouz T...
cs.CG