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Transactions of the American Mathematical Society
Transactions of the American Mathematical Society
ISSN 1088-6850(online) ISSN 0002-9947(print)

 

On the $ C\sp*$-algebra of Toeplitz operators on the quarterplane


Authors: R. G. Douglas and Roger Howe
Journal: Trans. Amer. Math. Soc. 158 (1971), 203-217
MSC: Primary 46.65
MathSciNet review: 0288591
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Abstract: Using the device of the tensor product of $ {C^ \ast }$-algebras, we study the $ {C^ \ast }$-algebra generated by the Toeplitz operators on the quarter-plane. We obtain necessary and sufficient conditions for such an operator to be Fredholm, but show in this case that not all such operators are invertible.


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Additional Information

DOI: http://dx.doi.org/10.1090/S0002-9947-1971-0288591-1
PII: S 0002-9947(1971)0288591-1
Keywords: Toeplitz operator, Wiener-Hopf operator, generalized Fredholm theory, tensor products
Article copyright: © Copyright 1971 American Mathematical Society