Publications

• S. Güttel and S. Shao. Uniform-in-time rational approximation of the matrix exponential with real poles. preprint, 2026. [arXiv]
• S. Güttel and S. Shao. Concentrated real-pole uniform-in-time approximation of the matrix exponential. Numerical Analysis and Scientific Computing: an Anthology, Lecture Notes in Computational Science and Engineering (LNCSE), vol. 156, Springer, 2026. (Contribution celebrating the 50th anniversary of the Woudschoten Conference.) [Springer]
• Y. Dong, J. Gao, H. Tan, S. Güttel, S. Shao, C. Lin Three-dimensional transient electromagnetic modeling using rational Chebyshev approximation. IEEE Transactions on Geoscience and Remote Sensing, 2026. [IEEE Xplore]