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Abstract: This paper addresses the problem of tracking time-varying optimal trajectories for convex optimization problems where the objective function is time-varying and its explicit form is unknown ...

Edited by Richard S. Mann, Columbia University, New York, NY; received May 5, 2025; accepted January 27, 2026 by Editorial Board Member Trudi Schüpbach ...

Abstract: Linear time-varying differential equations that arise in the study of model reference adaptive identification problems are studied in both the continuous-time and the discrete-time ...