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SUMMARY:Fatemeh Beik (Vali-e-Asr University of Rafsanjan)
DTSTART:20240509T210000Z
DTEND:20240509T220000Z
DTSTAMP:20260513T201629Z
UID:SFUOR/33
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/SFUOR/33/">A
  survey on preconditioning techniques for a class of block three-by-three 
 linear systems</a>\nby Fatemeh Beik (Vali-e-Asr University of Rafsanjan) a
 s part of PIMS-CORDS SFU Operations Research Seminar\n\nLecture held in AS
 B 10908.\n\nAbstract\nIn this talk\, we study the performance of some prec
 onditioners for accelerating the convergence of Krylov subspace methods fo
 r solving linear systems of equations with a block three-by-three structur
 e. A brief discussion is included regarding how spectral and field-of-valu
 e analyses can be exploited to study the performance of a preconditioner i
 n conjunction with the Generalized Minimum Residual Method (GMRES). Numeri
 cal experiments show the effectiveness of inexact versions of precondition
 ers used with flexible GMRES for solving linear systems of equations arisi
 ng from mixed finite element discretizations of the coupled Stokes-Darcy f
 low problem.\n
LOCATION:https://researchseminars.org/talk/SFUOR/33/
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