TY - RPRT TI - A mixed-integer PDE-constrained optimization formulation for constructing electromagnetic cloaks with multiple materials AU - Vogt, Ryan H. [U.S. National Security Agency (NSA), Fort George G. Meade, MD (United States)] (ORCID:0000000214859735) AU - Leyffer, Sven [Argonne National Laboratory (ANL), Argonne, IL (United States)] AU - Munson, Todd [Argonne National Laboratory (ANL), Argonne, IL (United States)] PY - 2025 DO - 10.1007/s10589-024-00644-x UR - https://www.osti.gov/biblio/2520201 ID - 2520201 ER -