Gelu Popescu

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Person:166401

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zbMath Open popescu.geluMaRDI QIDQ166401

List of research outcomes

PublicationDate of PublicationType
Classification of doubly \(\mathcal{U}\)-commuting row isometries2023-11-17Paper
https://portal.mardi4nfdi.de/entity/Q61342882023-08-21Paper
https://portal.mardi4nfdi.de/entity/Q61324562023-08-16Paper
Noncommutative varieties, symmetric weighted Fock spaces, and multipliers2023-07-10Paper
Operator theory on noncommutative varieties in polydomains2023-07-06Paper
Joint similarity in admissible noncommutative polydomains2023-04-14Paper
Characteristic functions and functional models on noncommutative varieties2022-11-09Paper
Wold decompositions for representations of C∗-algebras associated with noncommutative varieties2022-10-24Paper
Operator theory on noncommutative polydomains. II2022-09-23Paper
Operator theory on noncommutative polydomains. I.2022-04-21Paper
Brown-Halmos characterization of multi-Toeplitz operators associated with noncommutative polyhyperballs2021-10-25Paper
Representations of \(C^*\)-algebras associated with noncommutative polyvarieties2021-04-20Paper
Bergman spaces over noncommutative domains and commutant lifting2021-02-15Paper
Doubly \(\Lambda\)-commuting row isometries, universal models, and classification2020-10-15Paper
Functional calculus and multi-analytic models on regular \(\Lambda \)-polyballs2020-09-08Paper
Brerezin kernels and Wold decompositions associated with noncommutative polydomains2020-09-03Paper
Functional calculus and multi-analytic models on regular $\Lambda$-polyballs2020-01-30Paper
Brown-Halmos characterization of multi-Toeplitz operators associated with noncommutative poly-hyperballs2020-01-30Paper
Doubly $\Lambda$-commuting row isometries, universal models, and classification2020-01-29Paper
Multi-Toeplitz operators and free pluriharmonic functions2019-07-31Paper
Bohr inequalities on noncommutative polydomains2019-05-10Paper
Noncommutative hyperballs, wandering subspaces, and inner functions2019-04-24Paper
Bohr inequalities for free holomorphic functions on polyballs2019-03-28Paper
Andô dilations and inequalities on non-commutative domains2019-01-10Paper
Multi-Toeplitz operators and free pluriharmonic functions2018-12-17Paper
Invariant subspaces and operator model theory on noncommutative varieties2018-09-26Paper
Hyperbolic geometry on noncommutative polyballs2017-09-05Paper
Bohr inequalities for free holomorphic functions on polyballs2017-09-05Paper
Euler characteristic on noncommutative polyballs2017-07-13Paper
Andô dilations and inequalities on noncommutative varieties2017-03-16Paper
Ando dilations and inequalities on noncommutative domains2017-01-03Paper
Holomorphic automorphisms of noncommutative polyballs2016-12-01Paper
Free pluriharmonic functions on noncommutative polyballs2016-08-02Paper
Berezin transforms on noncommutative polydomains2016-03-07Paper
Curvature invariant on noncommutative polyballs2015-05-13Paper
Similarity problems in noncommutative polydomains2014-10-24Paper
Berezin transforms on noncommutative varieties in polydomains2014-02-28Paper
Free biholomorphic functions and operator model theory. II2014-02-26Paper
Unitary invariants on the unit ball of $B(\mathcal {H})^n$2013-10-23Paper
Noncommutative multivariable operator theory2013-04-15Paper
Free biholomorphic functions and operator model theory2012-03-29Paper
Joint similarity to operators in noncommutative varieties2011-08-17Paper
Free Biholomorphic Classification of Noncommutative Domains2011-04-06Paper
Composition operators on noncommutative Hardy spaces2011-01-28Paper
Operator theory on noncommutative domains2010-05-17Paper
Free holomorphic functions on the unit ball of \(B(\mathcal H)^n\). II2010-02-24Paper
Free holomorphic automorphisms of the unit ball of B(ℋ) n2010-02-09Paper
Hyperbolic geometry on noncommutative balls2010-01-27Paper
https://portal.mardi4nfdi.de/entity/Q36455232009-11-18Paper
Noncommutative hyperbolic geometry on the unit ball of \(B(\mathcal H)^n\)2009-06-30Paper
Unitary invariants in multivariable operator theory2009-06-21Paper
Hyperbolic geometry on the unit ball of $B(\mathcal{H})^{n}$ and dilation theory2009-02-26Paper
Noncommutative transforms and free pluriharmonic functions2009-01-27Paper
Free pluriharmonic majorants and commutant lifting2008-09-01Paper
Free holomorphic functions and interpolation2008-08-18Paper
Noncommutative Berezin transforms and multivariable operator model theory2008-02-25Paper
Multivariable Bohr inequalities2007-08-09Paper
Commutator lifting inequalities and interpolation2007-07-12Paper
Operator theory on noncommutative varieties, II2007-04-18Paper
Free holomorphic functions on the unit ball of \(B(\mathbb H)^n\)2007-01-09Paper
Entropy and multivariable interpolation2007-01-04Paper
Characteristic functions and joint invariant subspaces2006-08-04Paper
Operator theory on noncommutative varieties2006-06-21Paper
Multivariable moment problems2005-06-13Paper
Similarity and ergodic theory of positive linear maps2003-08-24Paper
Central intertwining lifting, suboptimization, and interpolation in several variables2003-07-13Paper
Multivariable Nehari problem and interpolation.2003-07-01Paper
Joint similarity and dilations for noncontractive sequences of operators.2003-04-09Paper
Meromorphic interpolation in several variables2003-02-05Paper
Bounded characteristic functions and models for noncontractive sequences of operators.2003-01-01Paper
ON BOHR'S INEQUALITY2002-10-22Paper
!COMMUTANT LIFTING, TENSOR ALGEBRAS, AND FUNCTIONAL CALCULUS2002-05-23Paper
https://portal.mardi4nfdi.de/entity/Q45293622002-05-22Paper
Structure and entropy for positive-definite Toeplitz kernels on free semigroups2002-01-28Paper
Curvature invariant for Hilbert modules over free semigroup algebras2001-07-12Paper
Spectral lifting in Banach algebras and interpolation in several variables2001-05-14Paper
A lifting theorem for symmetric commutants2001-03-20Paper
https://portal.mardi4nfdi.de/entity/Q27058362001-03-19Paper
Positive definite kernels on free product semigroups and universal algebras2000-09-20Paper
Structure and entropy for Toeplitz kernels2000-06-25Paper
Noncommutative interpolation and Poisson transforms2000-04-26Paper
Universal Operator Algebras Associated to Contractive Sequences of Non-Commuting Operators2000-04-25Paper
Poisson transforms on some \(C^*\)-algebras generated by isometries2000-03-29Paper
Noncommutative Disc Algebras for Semigroups2000-03-08Paper
Noncommutative joint dilations and free product operator algebras1999-12-20Paper
Interpolation problems in several variables1999-09-09Paper
Noncommutative Wold decompositions for semigroups of isometries1999-03-02Paper
Non-commutative disc algebras and their representations1997-06-26Paper
Positive-Defininte Functions on Free Semigroups1997-06-03Paper
Factorization and reflexivity of Fock spaces1996-07-28Paper
Functional calculus for noncommuting operators1996-02-20Paper
Multi-analytic operators on Fock spaces1996-02-01Paper
On similarity of operators to isometries1993-06-29Paper
On intertwining dilations for sequences of noncommuting operators1993-01-16Paper
Von Neumann inequality for $(B(\mathscr{H})^n)_1$.1992-09-27Paper
Isometric Dilations for Infinite Sequences of Noncommuting Operators1989-01-01Paper
https://portal.mardi4nfdi.de/entity/Q34823851989-01-01Paper
https://portal.mardi4nfdi.de/entity/Q34838681989-01-01Paper
https://portal.mardi4nfdi.de/entity/Q38103981989-01-01Paper
On quasi-similarity of contractions with finite defect indices1988-01-01Paper
https://portal.mardi4nfdi.de/entity/Q34790621988-01-01Paper
https://portal.mardi4nfdi.de/entity/Q30256891986-01-01Paper
https://portal.mardi4nfdi.de/entity/Q47277051984-01-01Paper

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