1998 Ph.D. in Mathematics, Indiana University, Bloomington, Indiana (USA), (thesis advisor Prof. Hari Bercovici)1983 M.S. in Mathematics (Operator Theory), University of Bucharest.1982 B.S. in Mathematics, University of Bucharest.

Dual algebras of operators on Hilbert spacesInvariant subspacesToeplitz operatorsLocal spectral theory and functional calculusDilation theory and functional models

International Conferences in Operator Theory, Bucharest 1986, Timisoara (1988, 2000, 2002, 2006) Predeal 1990.International Conferences in Operator Algebras,Craiova 1989, Constanta 2001, Sinaia 2003, Bucharest 2005.Wabash Miniconference in Modern Analysis, Indianapolis, 1994.AMS Annual Meeting, San Francisco, 1995.Great Plains Operator Theory Seminar, Cincinnati, 1995.AMS Meeting, Kent, Ohio, 1995.Invited Lecture at the 1st Young Analysts Meeting in the Southeast, Atlanta, 1995.Wabash Miniconference in Modern Analysis, Indianapolis, 1996.The Sixth Congress of Romanian Mathematicians,Bucharest 2007.

Weak density and membership in the class $A_\aleph_0$, Revue Roumaine Math. Pures Appl. 31 (1986), 343-346.Sufficient conditions for membership in the classes $A$ and $A_\aleph_0$, J. Operator Theory, 17 (1987), 335-345.A note on the classes $(BCP)_\theta$, J. Operator Theory, 18 (1987), 153-161.On the structure of contraction operators with dominating spectrum, J. Operator Theory, 20 (1988), 41-58.Invariant subspaces for operators with Bishop's property $(\beta)$ and thick spectrum, (with Jorg Eschmeier) J. Functional Analysis, 94 (1990), 196-222.Von Neumann operators are reflexive, Integral Equations and Operator Theory, 14(1991), 609-612.On the class $A_{1,\aleph_0}$, Proc. Amer. Math. Soc., 112 (1991), 45-51.A structure theorem for singly generated dual uniform algebras, Indiana Univ. Math. Journal, 43 (1994), 729-736.On a theorem of S. Brown and V. Lomonosov. Integral Equations and Operator Theory, 24 (1996), no. 2, 248-249.On the commutant of hyponormal operators, Proc. Amer. Math. Soc., 124 (1996), 3411-3412.K-spectral sets and invariant subspaces, Integral Equations and Operator Theory, 26 (1996), 367-373.Invariant subspaces for polynomially hyponormal operators, Proc. Amer. Math. Soc. 125 (1997), 1689-1691.An improved factorization theorem with applications to subnormal operators, (with Hari Bercovici) Acta Sci. Math. (Szeged), 63 (1997), 647-655.Quasiaffine transforms of polynomially bounded operators, (with Hari Bercovici) Arch. Math. (Basel), 71 (1998), 384-387.The generic local spectrum of any operator is the full spectrum, (with Mihai Putinar) Bull. London Math. Soc., 31 (1999), 332-336.On the functional calculus for subnormal operators, Integral Equations and Operator Theory, 35 (1999), 122-124.Invariant subspaces for bounded operators with large localizable spectrum, Proc. Amer. Math. Soc., 129 (2001), 2365-2372.Strongly reductive algebras are selfadjointJ. Operator Theory, 48 (2002), no. 3, 615-619.Invariant subspaces and localizable spectrum,(with Jorg Eschmeier) Integral Equations and Operator Theory, 42(2002), no. 4, 461-471.Dual algebras and approximate reflexivity,Advances in Operator Algebras and Mathematical Physics, (Sinaia 2003), Theta 2005, pp. 187-195.Amenability, completely bounded projections, smooth orbits and dynamical systems,(with Daniel Beltita), Integral Equations and Operator Theory, 57 (2007) no. 1, 1-17.Some exact sequences for Toeplitz algebras of spherical isometries,Proc. Amer. Math. Soc. 135 (2007) no.11, 3621-3630.Toeplitz operators associated to commuting row contractions,J. Functional Analysis 254 (2008) 1626-1641.Approximate factorization in generalized Hardy spaces,Integral Equations and Operator Theory, 61 (2008) 121-145.Lifting fixed points of completely positive mappings,J. Mathematical Analysis and Applications, 350 (2009) 333-339.Toeplitz and Hankel operators associated with subdiagonal algebras,Proc. Amer. Math. Soc. 139 (2011) no. 4, 1387-1396.Fixed points for Luders operations and commutators,J. Physics A 44 (2011) no. 18, 185203.A factorization theorem for multiplier algebras of reproducing kernel Hilbert spaces,Canadian Math. Bull. (to appear).Lifting fixed points of completely positive semigroups,Integral Equations and Operator Theory, (to appear).Asymptotic stability for a class of Markov semigroups,submitted.

Bebe.Prunaru@imar.ro