@article{avariationalframeworkforresidualbasedada, title = {A Variational Framework for Residual-Based Adaptivity in Neural PDE Solvers and Operator Learning}, author = {Juan Diego Toscano and Daniel T. Chen and Vivek Oommen and Jérôme Darbon and George Em Karniadakis}, year = {2025}, eprint = {2509.14198}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2509.14198}, }