Generalized tricircular projections on minimal norm ideals in B(H) (CROSBI ID 224304)
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Podaci o odgovornosti
Čuka, Josipa ; Ilišević, Dijana
engleski
Generalized tricircular projections on minimal norm ideals in B(H)
A nonzero projection P on a complex Banach space X is said to be a generalized tricircular projection if there exist distinct modulus one complex numbers λ and μ, not equal to 1, and nonzero projections Q and R on X such that P⊕Q⊕R=I and P+λQ+μR is an isometry. We determine the structure of generalized tricircular projections on minimal norm ideals in B(H), different from the Hilbert–Schmidt class.
generalized tricircular projection ; isometry ; minimal norm ideal
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Podaci o izdanju
434 (2)
2016.
1813-1825
objavljeno
0022-247X
1096-0813
10.1016/j.jmaa.2015.10.015