The Bubble Transform and the de Rham Complex von Falk, Richard S., Winther, Ragnar

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Well conditioned frames for high order finite element methods von Hu, Kaibo, Winther, Ragnar

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Local bounded cochain projections von FALK, RICHARD S., WINTHER, RAGNAR

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Finite element exterior calculus, homological techniques, and applications von Arnold, Douglas N., Falk, Richard S., Winther, Ragnar

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Finite elements for symmetric tensors in three dimensions von Arnold, Douglas N., Awanou, Gerard, Winther, Ragnar

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Local coderivatives and approximation of Hodge Laplace problems von LEE, JEONGHUN J., WINTHER, RAGNAR

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Mixed finite element methods for linear elasticity with weakly imposed symmetry von Arnold, Douglas N., Falk, Richard S., Winther, Ragnar

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Smoothed projections in finite element exterior calculus von Christiansen, Snorre H., Winther, Ragnar

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Unified finite element discretizations of coupled Darcy-Stokes flow von Karper, Trygve, Mardal, Kent-Andre, Winther, Ragnar

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Finite element exterior calculus: from Hodge theory to numerical stability von Arnold, Douglas, Falk, Richard, Winther, Ragnar

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Parameter-Robust Discretization and Preconditioning of Biot's Consolidation Model von Lee, Jeonghun J., Mardal, Kent-Andre, Winther, Ragnar

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The Bubble Transform and the de Rham Complex von Falk, Richard S, Winther, Ragnar

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Construction of polynomial preserving cochain extensions by blending von Falk, Richard, Winther, Ragnar

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On Constraint Preservation in Numerical Simulations of Yang--Mills Equations von Christiansen, Snorre H., Winther, Ragnar

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An observation on Korn's inequality for nonconforming finite element methods von MARDAL, Kent-Andre, WINTHER, Ragnar

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A Uniform Preconditioner for a Newton Algorithm for Total Variation Minimization and Minimum-Surface Problems von Tai, Xue-Cheng, Winther, Ragnar, Zhang, Xiaodi, Zheng, Weiying

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A robust nonconforming H^2-element von Nilssen, Trygve K., Tai, Xue-Cheng, Winther, Ragnar

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Preconditioning discretizations of systems of partial differential equations von Mardal, Kent-Andre, Winther, Ragnar

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Nonconforming tetrahedral mixed finite elements for elasticity von Arnold, Douglas N, Awanou, Gerard, Winther, Ragnar

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Convergence of multipoint flux approximations on quadrilateral grids von Klausen, Runhild A., Winther, Ragnar

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