Abstract
In this paper, we have proven that for the Jordan blockS(θ) withS(θ) ∈ (SI), ⊕ n i=1 S(θ) =S(θ)(n)(n ≥ 1) has unique finite (SI) decomposition up to a similarity. As result, we obtain that ifV is a Volterra operator onH=L 2([0, 1]), thenV (n) has unique finite (SI) decomposition.
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References
H. Bercovici, Operator Theory and Arithmetic inH ∞, Amer. Math. Soc. Providence RI, 1988.
B. Blackadar, K-Theory for Operator Algebras, MSRI Publications No.5, Springer-Verlag, 1986.
Y. Cao, J. Fang and C. Jiang,K-group of Banach algebras and strongly irreducible decomposition of operators, (to appear).
J.B. Conway, Subnormal Operators, π Pitman Advanced Publishing Program, Boston-London-Melbourne, 1981.
K.R. Davidson, Nest Algebras, Research notes in Mathematics 191, Longman Harlow-Essex, 1988.
J.B. Garnett, Bounded analytic functions, Academic Press, New York, 1981.
C.L. Jiang and Z.Y. Wang, Strongly Irreducible Operators on Hiblert Spaces, π Pitman Research Notes in Mathematics Series 389, Addison-Wesley-Longman Company, 1998
A. Lambert, Strictly cyclic operator algebra, Pacific J. Math. 38 (1971), 717–726.
A.L. Leonardo, Stable range and approximation theorems inH ∞, Trans. Amer. Math. Soc. 327 (2) (1991), 815–832
M.A. Rieffel, Dimensionl and stable rank in theK-theory ofC *-Algebras, Proc. London Math. Soc. 46 (3) (1983), 301–333.
J. Taylor, Banach algebras and topology, Algebras in Analysis, ed. J.H. Williamson, Academic Press, 1975.
V. Tolokonnikov, Stable rank ofH ∞ in multiply connected domains, Proc. Amer. Math. Soc. 117, (1993), 1023–1030.
S. Treil, Stable rank ofH ∞ is equal to one. J. Funct. Anal, 109 (1992), 130–154.
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This project was supported by National Natural Science Foundation of China.
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Wang, Z., Xue, Y. On the unique finite (SI) decomposition of the Jordan operator ⊕ n i=1 S(θ) for certain inner function θ. Integr equ oper theory 36, 370–377 (2000). https://doi.org/10.1007/BF01213929
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DOI: https://doi.org/10.1007/BF01213929