engBachmayr, MarkusEisenmann, HenrikVoulis, IgorAdaptive stochastic Galerkin finite element methods: Optimality and non-affine coefficientsfinite elementsframe-based error estimationmul- tilevel expansions of random fieldsoptimalitystochastic Galerkin method30 Seiten (2025). doi:10.48550/arXiv.2503.18704info:eu-repo/semantics/preprintinfo:eu-repo/semantics/publishedVersion2025info:eu-repo/semantics/openAccessDEhttps://publications.rwth-aachen.de/record/1009807https://publications.rwth-aachen.de/search?p=id:%22RWTH-2025-03683%22Researchersinfo:eu-repo/semantics/altIdentifier/doi/10.48550/arXiv.2503.18704info:eu-repo/semantics/altIdentifier/arxiv/arXiv:2503.18704