Prof. Justus K. Mile, trans. “A Characterization of Partial Isometries and Positive Operators in Hilbert Space”. Journal of Advanced Multidisciplinary Studies (JAMS) (August 31, 2026): ABSTRACT No 02. Accessed November 7, 2026. https://jamsjournal.org/JAMS/article/view/characterization-partial-isometries-positive-operators-justus-mi.