Hybrid Chebyshev-Tucker format enables nearly optimal low-rank approximation of 3D functions from values at Chebyshev nodes, applied to range-separated electrostatic potentials in molecular systems.
Bachmayr,Low-rank tensor methods for partial differential equations, Acta Numer., 32 (2023), pp
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A hybrid Chebyshev-Tucker tensor format for approximation of multivariate functions
Hybrid Chebyshev-Tucker format enables nearly optimal low-rank approximation of 3D functions from values at Chebyshev nodes, applied to range-separated electrostatic potentials in molecular systems.