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Small epsilon-rank conjecture for off-diagonal Schur-complement blocks
Let $S_2,S_3,\ldots$ be the successive Schur complements arising in the block LU factorization of the system matrix. For an off-diagonal block of one of these matrices, define its…
Conjectureopennumerical-linear-algebra pde-constrained-optimization quasiseparable-matricesarXiv posted 2 days ago

Small epsilon-rank conjecture for off-diagonal Schur-complement blocks