Highly Efficient Gauss’s Law-Preserving Spectral Algorithms for Maxwell’s Double-Curl Source and Eigenvalue Problems Based on Eigen-Decomposition. CSIAM-AM [Internet]. 2025 Sept. 11 [cited 2026 Mar. 14];6(3):489-526. Available from: https://gsp.tricubic.dev/csiam-am/article/view/22742