Randomized Roundings for a Mixed-Integer Elliptic Control System

\(\) We present randomized reconstruction approaches for optimal solutions to mixed-integer elliptic PDE control systems. Approximation properties and relations to sum-up rounding are derived using the cut norm. This enables us to dispose of space-filling curves required for sum-up rounding. Rates of almost sure convergence in the cut norm and the SUR norm in control space as well as almost sure \(H^1\) convergence in state space are shown.

Citation

M. T. Köhler, L. Kröger and C. Kirches, "Randomized Roundings for a Mixed-Integer Elliptic Control System," 2025 American Control Conference (ACC), Denver, CO, USA, 2025, pp. 711-716, doi: 10.23919/ACC63710.2025.11108081.