Operator Surrogates

@Techreport{SWZ26_1171,
    author = {Schwab, Ch. and Westermann, J. and Zech, J.},
    title = {Operator Surrogates},
    institution = {Seminar for Applied Mathematics, ETH Z{\"u}rich},
    number = {2026-16},
    address = {Switzerland},
    Journal = {SAM Report 2026-16},
    Eprint = {https://www.sam.math.ethz.ch/sam\_reports/reports\_final/reports2026/2026-16.pdf},
    year = {2026}
}