Localized subspace iteration (LSI) methods, including LSSI and LKSI variants, are introduced to construct multiscale finite element bases via local operator localization and subspace iteration on spectral problems, supported by convergence analysis and numerical tests showing advantages in long-ch
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Localized subspace iteration methods for elliptic multiscale problems
Localized subspace iteration (LSI) methods, including LSSI and LKSI variants, are introduced to construct multiscale finite element bases via local operator localization and subspace iteration on spectral problems, supported by convergence analysis and numerical tests showing advantages in long-ch