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math.NA2026
Computing adjoint mismatch of linear maps
Jonas Bresch, Dirk A. Lorenz, Felix Schneppe +1
This paper considers the problem of detecting adjoint mismatch for two linear maps. To clarify, this means that we aim to calculate the operator norm for the difference of two line…
math.NA2025
Matrix-free stochastic calculation of operator norms without using adjoints
Jonas Bresch, Dirk A. Lorenz, Felix Schneppe +1
This paper considers the problem of computing the operator norm of a linear map between finite dimensional Hilbert spaces when only evaluations of the linear map are available and…