Tingley's problem for spaces of trace class operators
classification
🧮 math.FA
math.OA
keywords
classspacesisometrylinearproblemsurjectivetingleytrace
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We prove that every surjective isometry between the unit spheres of two trace class spaces admits a unique extension to a surjective complex linear or conjugate linear isometry between the spaces. This provides a positive solution to Tingley's problem in a new class of operator algebras.
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