A novel discretization for permittivity tensors with off-diagonal entries produces Hermitian positive definite matrices, enabling a robust kernel compensation solver that runs matrix-free on GPUs via 3D discrete Fourier transforms.
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A Robust GPU-Accelerated Kernel Compensation Solver with Novel Discretization for Photonic Crystals in Anisotropic Media
A novel discretization for permittivity tensors with off-diagonal entries produces Hermitian positive definite matrices, enabling a robust kernel compensation solver that runs matrix-free on GPUs via 3D discrete Fourier transforms.