1. Timed automata with urgent transitions

   • Roberto Barbuti
   • Luca Tesei

   OriginalPaper Pages: 317 - 347

2. Self-embedded context-free grammars with regular counterparts

   • Stefan Andrei
   • Wei-Ngan Chin
   • Salvador Valerio Cavadini

   OriginalPaper Pages: 349 - 365

3. Optimal algorithms for semi-online preemptive scheduling problems on two uniform machines

   • Yong He
   • Yiwei Jiang

   OriginalPaper Pages: 367 - 383