On symmetric meshes, a single symmetry-adapted basis block-diagonalizes every DEC operator, verified at machine precision on curved 2D and 3D meshes, with up to 182× FLOP speedup over dense direct solves.
Discrete exterior calculus (DEC) for the surface Navier–Stokes equation
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Parallelisation of Discrete Exterior Calculus via Representation Theory on Curved and Three-Dimensional Meshes
On symmetric meshes, a single symmetry-adapted basis block-diagonalizes every DEC operator, verified at machine precision on curved 2D and 3D meshes, with up to 182× FLOP speedup over dense direct solves.