@article{oai:nagoya.repo.nii.ac.jp:00028441,
 author = {Ueda, Yoshimichi},
 issue = {6},
 journal = {Archiv der Mathematik},
 month = {Jun},
 note = {A lower estimate of the orbital free entropy χorb under unitary conjugation is proved, and it together with Voiculescu’s observation shows that the conjectural exact formula relating χorb to the free entropy χ breaks in general in contrast to the case when given random multi-variables are all hyperfinite.},
 pages = {629--638},
 title = {A remark on orbital free entropy},
 volume = {108},
 year = {2017}
}