Recent Advances in Operator Theory, Operator Algebras, and their Applications

1. Front Matter

   Pages i-xvi

   PDF

2. On Existence of Solutions of Semilinear Impulsive Functional Differential Equations with Nonlocal Conditions

   • Haydar Akça, Valéry Covachev, Eada Al-Zahrani

   Pages 1-11

3. On Banach-Lie Algebras, Spectral Decompositions and Complex Polarizations

   • Daniel Beltiţă

   Pages 13-38

4. Commuting Triples of Subnormal Operators and Related Moment Problems

   • Tudor Bĵnzar, Doru Păunescu

   Pages 39-59

5. The Equality of the Reduced and the Full C*-Algebras and the Amenability of a Topological Groupoid

   • Mădălina Buneci

   Pages 61-78

6. ρ-Numerical Radius in Banach Spaces

   • Laurent Carrot

   Pages 79-101

7. Generalized Toeplitz Operators and Cyclic Vectors

   • G. Cassier, H. Mahzouli, E.H. Zerouali

   Pages 103-122

8. Statistical Properties of Disordered Quantum Systems

   • Francesco Fidaleo, Carlangelo Liverani

   Pages 123-141

9. On Operator Periodically Correlated Random Fields

   • Păstorel Gaşpar

   Pages 143-156

10. Weighted Composition Operators on Hardy and Bergman Spaces

    • Romesh Kumar, Jonathan R. Partington

    Pages 157-167

11. Integral Transforms Controlled by Maximal Functions

    • Mircea Martin, Pawel Szeptycki

    Pages 169-184

12. Uniform Exponential Dichotomy and Admissibility for Linear Skew-Product Semiflows

    • Mihail Megan, Adina Luminiţa Sasu, Bogdan Sasu

    Pages 185-195

13. On a Class of Stochastic Integral Operators of McShane Type

    • Romeo Negrea

    Pages 197-209

14. Regularized Traces of Differential Operators

    • A.S. Pechentsov

    Pages 211-227

15. Irreducible Subfactors Derived from Popa’s Construction for Non-Tracial States

    • Florin Rădulescu

    Pages 229-247

16. The Structure of some C*-Algebras Generated by N Idempotents

    • Mikhail Shchukin, Elena Vatkina

    Pages 249-254

17. Transfer Functions for “Curved” Conservative Systems

    • Alexey Tikhonov

    Pages 255-264

18. On the Distance between an Operator and an Ideal

    • Nicolae Tiţa

    Pages 265-270

19. The Gamma Element for Groups which Admit a Uniform Embedding into Hilbert Space

    • Jean-Louis Tu

    Pages 271-286

20. Uniform Exponential Stability and Uniform Observability of Time-Varying Linear Stochastic Systems in Hilbert Spaces

    • Viorica Mariela Ungureanu

    Pages 287-306

The Romanian conferences in operator theory, as they are now commonly called, havestartedintheyear1976asanannualworkshoponoperatortheoryheldatthe University of Timi¸ soara, originally only with Romanian attendance. The meeting soon evolved into an international conference, with an increasingly larger parti- pation. It has been organized jointly, initially by the Department of Mathematics of INCREST and by the Faculty of Sciences of the University of Timi¸ soara, then (since 1990) by the Institute of Mathematics of the Romanian Academy and the Faculty of Mathematics of the West University of Timi¸ soara. The venue was u- ally Timi¸ soara (and, occasionally, Herculane, Bucharest or Predeal). Since 1986 the conference has been regularly held biannually at the beginning of the summer. The 19th Conference on Operator Theory (OT 19) took place between June 27th and July 2nd 2002, at the West University of Timi¸ soara. It is a pleasure to acknowledge the considerable ?nancial support received through the p- gramme EURROMMAT of the European Community, under contract ICA1-CT- 2000-70022. Partial support has also been provided by the Romanian Ministry of Education, Research and Youth, grants CERES 152/2001 and 153/2001. The full programme of the conference is included in the sequel. It is worth mentioning also a special event that has taken place during the conference: p- fessor Israel Gohberg has been awarded the title of Doctor Honoris Causa of the West University of Timi¸ soara.

• Banach algebras
• C* algebras
• Functional analysis
• Hilbert space
• Integral equations
• Integral transform
• Lie algebras
• Matrix
• Operator theory
• Statistical physics

• Department of Mathematics, University of the West Timişoara, Timişoara, Romania

  Dumitru Gaşpar

• Institute of Mathematics of the Romanian Academy, Bucharest, Romania

  Dan Timotin

• Dipartimento di Matematica, Università di Roma „Tor Vergata”, Roma, Italy

  László Zsidó

• School of Mathematical Sciences Raymond and Beverly Sackler Faculty of Exact Sciences, Tel Aviv University, Ramat Aviv, Israel

  Israel Gohberg

• Laboratoire AGAT-UMR 8524 U.F.R. de mathématiques, Université des Sciences et Technologie de Lille, Villeneuve d'Ascq Cedex, France

  Florian-Horia Vasilescu

Policies and ethics