Fullerton College March 15, 2018 

Tingley's problem-part 2 (syllabus)

Francisco J. Fernandez-Polo and Antonio M. Peralta: Low rank compact operators and Tingley's problem (preprint 2016) (here)

Guanggui Ding: Science in China 45 2002 pp 479-483 ``The 1-Lipschitz mapping between the unit spheres of two Hilbert spaces can be extended to a real linear isometry of the whole space'' (here)

NOTES Peirce decomposition (here)

NOTES Proof of Propostion 2.1(c) (here)