| Publication | Date of Publication | Type |
|---|
| Mean Rational Approximation for Compact Subsets with Thin Boundaries | 2022-12-21 | Paper |
| Mean Rational Approximation for Some Compact Planar Subsets | 2022-12-10 | Paper |
| When is an operator S an analytic function of an operator T ? | 2022-11-09 | Paper |
| On nontangential limits and shift invariant subspaces | 2019-05-10 | Paper |
| Approximation in the mean by rational functions | 2019-04-12 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5349344 | 2017-08-24 | Paper |
| Powers and direct sums | 2015-03-27 | Paper |
| A Course in Point Set Topology | 2013-10-09 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5200308 | 2012-11-05 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3086823 | 2011-03-30 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3585497 | 2010-08-19 | Paper |
| Absolute equivalence and Dirac operators of commuting tuples of operators | 2005-04-21 | Paper |
| On λ-commuting operators | 2004-11-29 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2754622 | 2003-06-09 | Paper |
| On unbounded Bergman operators. | 2003-05-25 | Paper |
| The harmonic functional calculus and hyperreflexivity. | 2002-10-22 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3840239 | 2002-09-08 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4702980 | 1999-12-14 | Paper |
| Stable invariant subspaces for operators on Hilbert space | 1997-11-02 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4339523 | 1997-06-10 | Paper |
| The essential selfcommutator of a subnormal operator | 1997-01-09 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4881259 | 1996-06-30 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4837918 | 1995-07-04 | Paper |
| Analytic bounded point evaluations for spaces of rational functions | 1995-06-12 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4271257 | 1994-01-19 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4000087 | 1992-09-18 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3999065 | 1992-09-17 | Paper |
| Towards a Functional Calculus for Subnormal Tuples: The Minimal Normal Extension | 1992-06-25 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3196863 | 1990-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3361423 | 1990-01-01 | Paper |
| Completing the Riesz-Dunford functional calculus | 1989-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3490501 | 1989-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3833088 | 1989-01-01 | Paper |
| Linear combinations of hyponormal operators | 1988-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3805333 | 1988-01-01 | Paper |
| Isometrically removable sets for functions in the Hardy space are polar | 1987-01-01 | Paper |
| Spectral properties of certain operators on Hardy spaces of planar regions | 1987-01-01 | Paper |
| Roots and logarithms of bounded operators on Hilbert space | 1987-01-01 | Paper |
| Is a self-adjoint operator determined by its invariant subspace lattice? | 1985-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3223360 | 1985-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3684689 | 1985-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3746349 | 1985-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3749595 | 1985-01-01 | Paper |
| Monogenic inverse semigroups and their C* -algebras | 1984-01-01 | Paper |
| Operators that are points of spectral continuity. III | 1983-01-01 | Paper |
| On a conjugate of Carey and Pincus | 1983-01-01 | Paper |
| Strong limits of normal operators | 1983-01-01 | Paper |
| Toeplitz Operators on Bergman Spaces | 1982-01-01 | Paper |
| The Structure of Quasinormal Operators and the Double Commutant Property | 1982-01-01 | Paper |
| On Quasisimilarity for Subnormal Operators, II | 1982-01-01 | Paper |
| Finite-dimensional points of continuity of Gen and Com | 1981-01-01 | Paper |
| Operators that are points of spectral continuity. II | 1981-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3923126 | 1981-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3930259 | 1981-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3955948 | 1981-01-01 | Paper |
| Finite-dimensional points of continuity of Lat | 1980-01-01 | Paper |
| On quasisimilarity for subnormal operators | 1980-01-01 | Paper |
| Singly generated antisymmetric operator algebras | 1980-01-01 | Paper |
| Operators that are points of spectral continuity | 1979-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4092502 | 1977-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4092503 | 1977-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4097761 | 1977-01-01 | Paper |
| On the Calkin Algebra and the Covering Homotopy Property, II | 1977-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4112508 | 1977-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4122406 | 1977-01-01 | Paper |
| A functional calculus for subnormal operators. II | 1977-01-01 | Paper |
| The operator equation TS = 1 and representations of l1 of the bicyclic semigroup | 1977-01-01 | Paper |
| A functional calculus for subnormal operators | 1976-01-01 | Paper |
| On the Calkin Algebra and the Covering Homotopy Property | 1975-01-01 | Paper |
| A complete Boolean algebra of subspaces which is not reflexive | 1973-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4402191 | 1973-01-01 | Paper |
| The Compact Operators are not Complemented in B (H) | 1972-01-01 | Paper |
| On Algebras of Operators with Totally Ordered Lattice of Invariant Subspaces | 1971-01-01 | Paper |
| The numerical range and a certain convex set in an infinite factor | 1970-01-01 | Paper |
| On extending interpolating sets in the Stone-Cech compactification | 1969-01-01 | Paper |
| A theorem on sequential convergence of measures and some applications | 1969-01-01 | Paper |
| The Inadequacy of Sequences | 1969-01-01 | Paper |
| The Strict Topology and Compactness in the space of Measures. II | 1967-01-01 | Paper |
| The strict topology and compactness in the space of measures | 1966-01-01 | Paper |
| Subspaces of 𝐶(𝑆)ᵦ, the space (𝑙^{∞},𝛽), and (𝐻^{∞},𝛽) | 1966-01-01 | Paper |
| Projections and Retractions | 1966-01-01 | Paper |
