Korolev, D., & Eigel, M. (2026). Tensor-Train Compressed Separable PINNs: A Curvature-Aware Optimization Framework for Parametric PDEs in High Dimensions. https://omanscience.com/en/articles/tensor-train-compressed-separable-pinns-a-curvature-aware-optimization-framework-for-parametric-pdes-in-high-dimensions