The following publications are possibly variants of this publication:
- Relaxed Spanners for Directed Disk GraphsDavid Peleg, Liam Roditty. algorithmica, 65(1):146-158, 2013. [doi]
- Spanners for Directed Transmission GraphsHaim Kaplan, Wolfgang Mulzer, Liam Roditty, Paul Seiferth. SICOMP, 47(4):1585-1609, 2018. [doi]
- Spanners and Reachability Oracles for Directed Transmission GraphsHaim Kaplan, Wolfgang Mulzer, Liam Roditty, Paul Seiferth. compgeom 2015: 156-170 [doi]
- Roundtrip spanners and roundtrip routing in directed graphsLiam Roditty, Mikkel Thorup, Uri Zwick. TALG, 4(3), 2008. [doi]
- Roundtrip spanners and roundtrip routing in directed graphsLiam Roditty, Mikkel Thorup, Uri Zwick. soda 2002: 844-851 [doi]