Operator Theory

  1. Linear operators for which T*T and TT* commute, Proc. Amer. Math. Soc., 34 (1972), 177-180.

  2. Operator valued inner functions analytic on the closed disc, Pacific J. Math., 41 (1972), 57-62.

  3. Inner functions analytic at a point, Illinois J. Math., 16 (1972).

  4. The exponential representation of operator valued, differentiable inner functions, J. Differential Equations, 12 (1972), 455-461.

  5. Commutation properties of the coefficient matrix in the differential equation of an inner function, Proc. Amer. Math. Soc., 42 (1974), 507-512.

  6. Linear operators for which T*T and TT* commute II, Pacific J. Math. 53 (1974), 355-361.

  7. Subnormal operators with nontrivial quasinormal extensions, Acta Scientiarum Math., (1975), 191-193, .

  8. Linear operators for which T*T and T+T* commute, Pacific J. Math. 61 (1975), 53-57.

  9. Operator-valued inner functions analytic on the closed disc two II, Pacific J. Math. 60, (1975), 37-49.

  10. Spectral properties of linear operators for which T*T and T + T* commute, Proc. Amer. Math. Soc., 60 (1976), 197-202, (with R. Geller).

  11. Linear operators for which T*T and T+T* commute II, Trans. Amer. Math. Soc., 226 (1977), 305-319, (with R.Geller).

  12. On asymptotic properties of several classes of operators, Proc. Amer. Math. Soc., 66 (1977), 79-84, (with R. Gellar).

  13. Linear operators for which T*T and T + T* commute III, Pacific J. Math., 76 (1978), 17-19.

  14. On k-quasihyponormal operators, Math. Japonica, 23 (1978), 185-189, (with B.C. Gupta). (By editorial error also in Rev. Roum.).

  15. The stable solutions of quadratic matrix equations, Proc. Amer. Math. Soc., 74 (1979), 19-23, (with John Daughtry).

  16. Isometries on $L^p$ Spaces and Copies of $L^p$ shifts, Proc. Amer. Math. Soc., 77 (1979), 198-200. (with G.D. Faulkner and M.L. Gardner).

  17. Isometries, projections and Wold decompositions, in Operator Theory and Functional Analysis,, Pitman, 1980, 84-114, (with G.D. Faulkner and Robert Sine)

  18. Linear operators for which T*T and TT* commute III, Pacific J. Math., 91 (1980), 30-45.

  19. Nontrivial isometries of $S_p(\alpha)$, Int. J. Math. & Math Sciences, (1982), 257-261.

  20. Operators on Banach spaces with complemented ranges, Acta Math. Acadamiae Scientarum Hungaricae, 35 (1980), 123-128. (with G.D. Faulkner)