Abstract
We survey the main results characterizing partial isometries in C$^*$-algebras and tripotents in JB$^*$-triples obtained in terms of regularity, conorm, quadratic-conorm, and the geometric structure of the underlying Banach spaces.
Citation
Francisco J Fernández-Polo. Antonio Peralta. "Partial isometries: a survey." Adv. Oper. Theory 3 (1) 75 - 116, Winter 2018. https://doi.org/10.22034/aot.1703-1149
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