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math.AP2018
Identifiability of Diffusion Coefficients for Source Terms of Non-Uniform Sign
Markus Bachmayr, Van Kien Nguyen
The problem of recovering a diffusion coefficient in a second-order elliptic partial differential equation from a corresponding solution for a given right-hand side is…
math.NA2018
Stability of Low-Rank Tensor Representations and Structured Multilevel Preconditioning for Elliptic PDEs
Markus Bachmayr, Vladimir Kazeev
Folding grid value vectors of size into th order tensors of mode sizes , combined with low-rank representation in the tensor train format, has been…