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A nil algebra of bounded operators on Hilbert space with semisimple norm closure

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Abstract

An algebra of operators having the property of the title is constructed and it is used to give examples related to some recent invariant subspace results.

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References

  1. Dixon, P.G., A Jacobson-semisimple Banach algebra with a dense nil subalgebra, Coll. Math 37(1977), 81–82.

    Google Scholar 

  2. Grabiner, S., Nilpotents in Banach algebras, J. London Math. Soc. (2) 14(1976), 7–12.

    Google Scholar 

  3. Grabiner, S., The nilpotency of Banach algebras, Proc. Amer. Math. Soc. 21(1969), 510.

    Google Scholar 

  4. Hadwin, D.W., Nordgren, E.A., Radjabalipour, M., Radjavi, H. and Rosenthal, P., On simultaneous triangularization of collections of operators, to appear.

  5. Kadison, R.V., and Ringrose, J.R., Foundations of the theory of operator algebras, Academic Press, New York, 1983.

    Google Scholar 

  6. Kaplansky, I., The Engel-Kolchin theorem revisited, in “Contributions to algebra”, Bass, Kovacik, Eds., Academic Press, New York, 1977, pp. 233–237.

    Google Scholar 

  7. Laurie, C., Nordgren, E., Radjavi, H. and Rosenthal, P., On triangularization of algebras of operators, J. reine angew. Math. 327(1981), 143–155.

    Google Scholar 

  8. Levitzki, J., Über nilpotente Unterringe, Math. Ann. 105(1931), 620–627.

    Google Scholar 

  9. Nordgren, E.A., Radjavi, H. and Rosenthal, P., Triangularizing semigroups of compact operators, Indiana Univ. Math. J. 33(1984), 271–275.

    Google Scholar 

  10. Radjavi, H., A trace condition equivalent to simultaneous triangularizability, Canad. J. Math., to appear.

  11. Rickart, C.E., General theory of Banach algebras, Van Nostrand, Princeton, NJ, 1960.

    Google Scholar 

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1980 Mathematics Subject Classification. Primary 47D05, 47D25; Secondary 46H10. Research supported in part by NSF and NSERC.

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Hadwin, D., Nordgren, E., Radjabalipour, M. et al. A nil algebra of bounded operators on Hilbert space with semisimple norm closure. Integr equ oper theory 9, 739–743 (1986). https://doi.org/10.1007/BF01195810

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  • DOI: https://doi.org/10.1007/BF01195810

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