January 17, 2026 I. Hwang, H. Balakrishnan, and C. J. Tomlin. “Observability Criteria and Estimator Design for Stochastic Linear Hybrid Systems,” Proceedings of the IEE European Control Conference, September 2003. Share this Related Stories See all news Mina Cezairli and Lilly Etzenbach selected for Aviation Week Network’s “20 Twenties” Class of 2026 Study: More eyes on the skies will help planes reduce climate-warming contrails See all news