"ATC Taskload Inherent to the Geometry of Stochastic 4-D Trajectory Flows with Flight Technical Errors", FAA EUROCONTROL ATM R&D Seminar, Berlin, Germany, 2011.
"A Case for Mean Field Games in Airspace Congestion Forecasting", IEEE: Digital Avionics and Systems Conference, Seattle, WA, October, 2011.
"A fuel optimal and reduced controller workload optimization model for conflict resolution", Digital Avionics Systems Conference, 2009. DASC '09. IEEE/AIAA 28th, 23-29, 2009.
"Describing Airspace Complexity: Airspace Response to Disturbances", Journal of Guidance, Control, and Dynamics, vol. 32, 2009.