research
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07/07/2023
Point spread function approximation of high rank Hessians with locally supported non-negative integral kernels
We present an efficient matrix-free point spread function (PSF) method f...
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01/09/2023
Hierarchical off-diagonal low-rank approximation of Hessians in inverse problems, with application to ice sheet model initializaiton
Obtaining lightweight and accurate approximations of Hessian applies in ...
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12/06/2022
