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Yihanqi Hu

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Preprint Aug 2026

Higher-order finite element de Rham complexes on sparse grids

We construct, for the first time, a family of higher-order finite element differential forms on tensor-product sparse grids. The construction starts from compatible one-dimensional spaces of continuous piecewise polynomials and discontinuous piecewise polynomials of one degree lower, linked by differentiation in each c...

Yihanqi Hu, Yuwen Li · 0 citations

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