A multilevel algorithm for the biharmonic problem
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- Peisker, P. Numer. Math. (1985) 46: 623. doi:10.1007/BF01389663
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A finite element discretization of the mixed variable formulation of the biharmonic problem is considered. A multilevel algorithm for the numerical solution of the discrete equations is described. Convergence is proved under the assumption ofH3-regularity.