scholarly journals Continuity of linear fractional transformations on an operator algebra

1973 ◽  
Vol 40 (1) ◽  
pp. 217-217
Author(s):  
J. William Helton
2011 ◽  
Vol 54 (3) ◽  
pp. 411-421 ◽  
Author(s):  
Kenneth R. Davidson ◽  
Alex Wright

AbstractWe show that every free semigroup algebra has a (strongly) unique Banach space predual. We also provide a new simpler proof that a weak-∗ closed unital operator algebra containing a weak-∗ dense subalgebra of compact operators has a unique Banach space predual.


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