Tight regret bound for online inverse linear optimization via multiscale matrix weightsSep 22, 2026·Shinsaku Sakaue· 0 min read PAPERTypePreprintPublicationarXiv [stat.ML]Last updated on Sep 22, 2026 ← Simple projection-free algorithm for contextual recommendation with logarithmic regret and robustness Sep 25, 2026Submodular many-to-one matching under matroid constraints Aug 16, 2026 →