%0 Journal Article %A Cox, Sean %A Elpers, Matthew %T How robustly can you predict the future? %J Canadian journal of mathematics %D 2023 %P 1493-1515 %V 75 %N 5 %U http://geodesic.mathdoc.fr/articles/10.4153/S0008414X22000402/ %R 10.4153/S0008414X22000402 %F 10_4153_S0008414X22000402