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DTSTART:20220127T160000Z
DTEND:20220127T170000Z
SUMMARY:Colloquium - Yuwen Li
DESCRIPTION:
Title: Preconditioning in H(curl) and H(div)
Abstract: Preconditioning is widely used for efficiently solving large-scale systems of linear equations. In the first part of my talk\, I will present a novel application of preconditioning and derive a posteriori error estimates of finite element methods in H(curl) and H(div) using preconditioning theory. In the second part\, I will show new user-friendly preconditioners for solving discrete H(curl) and H(div) systems on triangulated surfaces. Part of this talk is based on joint work with Ludmil Zikatanov.
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