How Time and Pollster History Affect U.S. Election Forecasts under a Compartmental Modeling Approach. - Ryan Branstetter; Samuel Chian; Joseph Cromp; William L. He; Christopher M. Lee; Mengqi Liu; Emma Mansell; Manas Paranjape; Thanmaya Pattanashetty; Alexia Rodrigues; Alexandria Volkening (SIAM J. Appl. Dyn. Syst., 2026)