@unpublished{AdcockGriebelMaier2026,
  author = {Adcock, Ben and Griebel, Michael and Maier, Gregor},
  title = {Near-Optimal Learning of {G}aussian {S}obolev Operators
},
  annote = {article, inspreprint},
  note = {Available as INS Preprint No. 2603},
  inspreprintnum = {2603},
  year = {2026}
}