$\mathbf{H}$(${\rm curl}^2$) Conforming Element for Maxwell’s Transmission Eigenvalue Problem Using Fixed-Point Approach. CSIAM-AM [Internet]. 2025 Sept. 11 [cited 2026 Mar. 14];6(3):468-8. Available from: https://gsp.tricubic.dev/csiam-am/article/view/22741