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math.NA2026
Deterministic sketching for Krylov subspace methods
Kai Bergermann
Randomized sketching is currently introduced into every area of numerical linear algebra. In Krylov subspace methods, it allows runtime savings at the cost of small accuracy reduct…
math.NA2020
An Extension of the Strain Transfer Principle for Fiber Reinforced Materials
Felix Ospald, Kai Bergermann, Roland Herzog
Fiber optical strain sensors are used to measure the strain at a particular sensor position inside the fiber. In order to deduce the strain in the surrounding matrix material, one…