1. Complex networks
2. 3Collins, ̶̶̶̶K. ̶̶̶̶Mavris, ̶̶̶̶D. ̶̶̶̶"Mobility ̶̶̶̶Research ̶̶̶̶for ̶̶̶̶Future ̶̶̶̶Vehicles: ̶̶̶̶A ̶̶̶̶Methodology ̶̶̶̶to ̶̶̶̶Create ̶̶̶̶a ̶̶̶̶Unified ̶̶̶̶Trade-Off Environment for ̶̶̶̶ Advanced ̶̶̶̶ Aerospace ̶̶̶̶ Vehicles ̶̶̶̶ Fiscal ̶̶̶̶ Year ̶̶̶̶ 2015 ̶̶̶̶ Annual ̶̶̶̶ Report," ̶̶̶̶ Georgia ̶̶̶̶ Tech ̶̶̶̶ Aerospace ̶̶̶̶ Systems Design Laboratory, submitted to National Institute of Aerospace (NIA) 30 Sept 2015.