86 citations · 532 across the 35 of their papers we have counts for
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math.NA2016★ 3 cited
Preconditioned steepest descent-like methods for symmetric indefinite systems
Eugene Vecharynski, Andrew Knyazev
This paper addresses the question of what exactly is an analogue of the preconditioned steepest descent (PSD) algorithm in the case of a symmetric indefinite system with an SPD pre…
math.NA2016★ 5 cited
Rayleigh-Ritz majorization error bounds of the mixed type
Andrew Knyazev, Peizhen Zhu
The absolute change in the Rayleigh quotient (RQ) for a Hermitian matrix with respect to vectors is bounded in terms of the norms of the residual vectors and the angle between vect…