The document discusses various topics in constrained optimization and filtering including: 1) an alternate form for the Kalman filter and its limitations, 2) static and dynamic constrained optimization problems with equality and inequality constraints, 3) a game theory approach to H-infinity filtering and comparisons to the Kalman filter, 4) steady-state H-infinity filtering and transfer function bounds, 5) continuous-time H-infinity filtering, and 6) transfer function approaches. Additional links to YouTube videos on related topics are also provided.