Hierarchical Matrix Approximations of Hessians Arising in Inverse Problems Governed by PDEs.
Ilona AmbartsumyanWajih Halim BoukaramTan Bui-ThanhOmar GhattasDavid E. KeyesGeorg StadlerGeorge TurkiyyahStefano ZampiniPublished in: SIAM J. Sci. Comput. (2020)
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