SciELO - Scientific Electronic Library Online

SciELO - Scientific Electronic Library Online

Article References

MAHER, Philip J  and  SAL MOSLEHIAN, Mohammad. More on Approximate Operators. Cubo [online]. 2012, vol.14, n.1, pp. 111-117. ISSN 0719-0646.  doi: 10.4067/S0719-06462012000100009.

    [1] S. Aaronson, Algorithms for Boolean function query properties, SIAM J. Comput. 32 (2003), no. 5, 1140-1157. [ Links ]

    [2] P. R. Halmos, Positive approximants of operators, Indiana Univ. Math. J. 21, (1971/1972), pp. 951-960 [ Links ]

    [3] P. R. Halmos, A Hilbert space problem book, 2nd ed., Springer{Verlag, New York, (1982). [ Links ]

    [4] M. Mirzavaziri, T. Miura and M. S. Moslehian, Approximate Unitaries in B(H). East J. Approx. 16 (2010), no. 2, 147-151. [ Links ]

    [5] T. Miura, A. Uchiyama, H. Oka, G. Hirasawa, S. E. Takahasi and N. Niwa, A perturbation of normal operators on a Hilbert space, Nonlinear Funct. Anal. Appl. 13 (2008), no. 2, 291-297. [ Links ]

    [6] G. J. Murphy, C*-algebras and Operator Theory, Academic press, Boston, 1990. [ Links ]

    [7] A. E. Taylor and D. C. Lay, Introduction to functional analysis, 2nd ed, John Wiley and Sons, New York, 1980. [ Links ]