1. Guest Editorial: Challenges in Motion Planning

   • Angel P. del Pobil

   Editorial Introduction Pages: 1 - 4

2. A New Cell-subdivision Approach to Plan Free Translations in Cluttered Environments

   • Claudio Mirolo
   • Enrico Pagello

   OriginalPaper Pages: 5 - 30

3. Predicting the Performance of Randomized Parallel Search: An Application to Robot Motion Planning

   • Daniel J. Challou
   • Maria Gini
   • George Karypis

   OriginalPaper Pages: 31 - 53

4. Global Level Path Planning for Mobile Robots in Dynamic Environments

   • Maarja Kruusmaa

   OriginalPaper Pages: 55 - 83

5. Selection of Strategies for Collision-free Motion in Multi-manipulator Systems

   • Margarita Mediavilla
   • Juan-Carlos Fraile
   • M. Teresa González

   OriginalPaper Pages: 85 - 104

6. Collision Detection between Robot Arms and People

   • B. Martínez-Salvador
   • M. Pérez-Francisco
   • A. P. Del Pobil

   OriginalPaper Pages: 105 - 119

7. Reusing Primitive and Acquired Motion Knowledge for Gait Generation of a Six-legged Robot Using Genetic Programming

   • Kentarou Kurashige
   • Toshio Fukuda
   • Haruo Hoshino

   OriginalPaper Pages: 121 - 134