[1] Babb, T., Gillman, A., Hao, S., Martinsson, P.-G.: An accelerated Poisson solver based on multidomain spectral discretization. BIT Numer. Math. 58(4), 851-879 (2018) [2] Babb, T., Martinsson, P.-G., Appelo, D.: HPS accelerated spectral solvers for time dependent problems. arXiv:1811.04555, 155 (2018) [3] Davis, T.A.: Direct Methods for Sparse Linear Systems. Society for Industrial and Applied Mathematics, Philadelphia (2006) [4] George, A.: Nested dissection of a regular finite element mesh. SIAM J. Numer. Anal. 10(2), 345-363 (1973) [5] Gillman, A., Barnett, A.H., Martinsson, P.-G.: A spectrally accurate direct solution technique for frequency-domain scattering problems with variable media. BIT Numer. Math. 55(1), 141-170 (2015) [6] Gillman, A., Martinsson, P.-G.: A direct solver with \begin{document}$ O $\end{document}(\begin{document}$ N $\end{document}) complexity for variable coefficient elliptic PDEs discretized via a high-order composite spectral collocation method. SIAM J. Sci. Comput. 36(4), 2023-2046 (2014). https://doi.org/10.1137/130918988 [7] Gottlieb, D., Lustman, L.: The spectrum of the Chebyshev collocation operator for the heat equation. SIAM J. Numer. Anal. 20(5), 909-921 (1983). https://doi.org/10.1137/0720063 [8] Gottlieb, S., Ketcheson, D.I., Shu, C.-W.: Strong Stability Preserving Runge-Kutta and Multistep Time Discretizations. World Scientific, Singapore (2011) [9] Hao, S., Martinsson, P.-G.: A direct solver for elliptic PDEs in three dimensions based on hierarchical merging of Poincaré-Steklov operators. J. Comput. Appl. Math. 308, 419-434 (2016) [10] Hu, J., Shu, R., Zhang, X.: Asymptotic-preserving and positivity-preserving implicit-explicit schemes for the stiff BGK equation. SIAM J. Numer. Anal. 56(2), 942-973 (2018) [11] Kennedy, C.A., Carpenter, M.H.: Additive Runge-Kutta schemes for convection-diffusion-reaction equations. Appl. Numer. Math. 44(1/2), 139-181 (2003) [12] Lushnikov, P.M., Vladimirova, N.: Non-Gaussian statistics of multiple filamentation. Opt. Lett. 35(12), 1965-1967 (2010) [13] Martinsson, P.-G.: A composite spectral scheme for variable coefficient Helmholtz problems. arXiv: 1206.4136 (2012) [14] Martinsson, P.-G.: A direct solver for variable coefficient elliptic PDEs discretized via a composite spectral collocation method. J. Comput. Phys. 242, 460-479 (2013) https://doi.org/10.1016/j.jcp.2013.02.019 [15] Martinsson, P.-G.: Fast Direct Solvers for Elliptic PDEs. Society for Industrial and Applied Mathematics, Philadelphia (2019) [16] Pazner, W., Kolev, T., Dohrmann, C.: Low-order preconditioning for the high-order finite element de Rham complex. SIAM J. Sci. Comput. 45(2), 675-702 (2023) [17] Rosales, R., Seibold, B., Shirokoff, D., Zhou, D.: Order reduction in high-order Runge-Kutta methods for initial boundary value problems. arXiv:1712.00897 (2017) [18] Weideman, J., Trefethen, L.N.: The eigenvalues of second-order spectral differentiation matrices. SIAM J. Numer. Anal. 25(6), 1279-1298 (1988) |