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Constantinescu, Tiberiu

Co-Author Distance
Author ID: constantinescu.tiberiu Recent zbMATH articles by "Constantinescu, Tiberiu"
Published as: Constantinescu, Tiberiu; Constantinescu, T.; Constantinescu, Tiberius
Documents Indexed: 75 Publications since 1980, including 2 Books and 4 Additional arXiv Preprints
Biographic References: 1 Publication
Co-Authors: 13 Co-Authors with 51 Joint Publications
399 Co-Co-Authors
all top 5

Co-Authors

22 single-authored
19 Gheondea, Aurelian
12 Kailath, Thomas
12 Sayed, Ali Hussein
5 Arsene, Grigore
5 Bakonyi, Mihai
5 Johnson, Joel L.
3 Alpay, Daniel Aron
3 Banks, Troy Vernon
3 Dijksma, Aad
3 Rovnyak, James
2 Ceausescu, Zoia
2 El-Sissi, Nermine
1 Lev-Ari, Hanoch
1 Ramakrishna, Viswanath
all top 5

Serials

7 Revue Roumaine de Mathématiques Pures et Appliquées
5 Linear Algebra and its Applications
4 Journal of Operator Theory
4 Zeitschrift für Analysis und ihre Anwendungen
3 Integral Equations and Operator Theory
2 Houston Journal of Mathematics
2 Bulletin Mathématique de la Société des Sciences Mathématiques de la République Socialiste de Roumanie. Nouvelle Série
2 IEEE Transactions on Automatic Control
2 Journal of Functional Analysis
2 Mathematica Balkanica. New Series
2 Comptes Rendus de l’Académie des Sciences. Série I. Mathématique
1 Communications in Mathematical Physics
1 IEEE Transactions on Information Theory
1 Linear and Multilinear Algebra
1 Acta Scientiarum Mathematicarum
1 Buletinul Institutului Politehnic București. Seria Electrotehnica
1 Canadian Mathematical Bulletin
1 Mathematische Nachrichten
1 Michigan Mathematical Journal
1 Proceedings of the American Mathematical Society
1 Publications of the Research Institute for Mathematical Sciences, Kyoto University
1 Transactions of the American Mathematical Society
1 SIAM Journal on Matrix Analysis and Applications
1 Comptes Rendus de l’Académie des Sciences. Série I
1 Positivity
1 Quantum Information Processing
1 Pitman Research Notes in Mathematics Series
1 Operator Theory: Advances and Applications
all top 5

Fields

58 Operator theory (47-XX)
15 Functional analysis (46-XX)
12 Linear and multilinear algebra; matrix theory (15-XX)
11 Systems theory; control (93-XX)
7 Functions of a complex variable (30-XX)
4 Combinatorics (05-XX)
4 Harmonic analysis on Euclidean spaces (42-XX)
4 Probability theory and stochastic processes (60-XX)
3 Approximations and expansions (41-XX)
3 Numerical analysis (65-XX)
2 Differential geometry (53-XX)
1 Special functions (33-XX)
1 Abstract harmonic analysis (43-XX)
1 Optics, electromagnetic theory (78-XX)
1 Quantum theory (81-XX)
1 Information and communication theory, circuits (94-XX)

Publications by Year

all cited Publications top 5 cited Publications

Citations contained in zbMATH Open

46 Publications have been cited 175 times in 131 Documents Cited by ▼ Year ▼
Schur’s algorithm and several applications. Zbl 0797.47011
Bakonyi, M.; Constantinescu, T.
30
1993
Schur parameters, factorization and dilation problems. Zbl 0872.47008
Constantinescu, Tiberiu
23
1996
Representations of hermitian kernels by means of Kreĭn spaces. Zbl 0904.46016
Constantinescu, Tiberiu; Gheondea, Aurelian
15
1997
Representations of Hermitian kernels by means of Krein spaces. II. Invariant kernels. Zbl 0993.47015
Constantinescu, T.; Gheondea, A.
12
2001
Lifting of operators and prescribed numbers of negative squares. Zbl 0632.47031
Arsene, Gr.; Constantinescu, T.; Gheondea, A.
10
1987
Schur analysis of positive block-matrices. Zbl 0589.47027
Constantinescu, T.
10
1986
Time-variant displacement structure and interpolation problems. Zbl 0813.93029
Sayed, Ali H.; Constantinescu, Tiberiu; Kailath, Thomas
9
1994
Inheritance principles for chordal graphs. Zbl 0764.05055
Bakonyi, Mihai; Constantinescu, Tiberiu
9
1991
Minimal signature in lifting of operators. II. Zbl 0778.47025
Constantinescu, Tiberiu; Gheondea, Aurelian
9
1992
Schur analysis of some completion problems. Zbl 0667.15019
Arsene, Gr.; Ceauşescu, Zoia; Constantinescu, T.
9
1988
Minimal signature in lifting of operators. I. Zbl 0725.47032
Constantinescu, Tiberiu; Gheondea, Aurelian
9
1989
Elementary rotations of linear operators in Krein spaces. Zbl 0832.47028
Constantinescu, Tiberiu; Gheondea, Aurelian
8
1993
On the structure of the Naimark dilation. Zbl 0555.47006
Constantinescu, T.
8
1984
A note on noncommutative interpolation. Zbl 1056.47013
Constantinescu, T.; Johnson, J. L.
7
2003
Displacement structure and completion problems. Zbl 0820.15011
Constantinescu, Tiberiu; Sayed, Ali H.; Kailath, Thomas
6
1995
Recursive solutions of rational interpolation problems via fast matrix factorization. Zbl 0838.47008
Sayed, A. H.; Kailath, T.; Lev-Ari, H.; Constantinescu, T.
6
1994
Notes on interpolation in the generalized Schur class. II. Nudel’man’s problem. Zbl 1060.47020
Alpay, D.; Constantinescu, T.; Dijksma, A.; Rovnyak, J.
6
2003
Operator Schur algorithm and associated functions. Zbl 0686.30031
Constantinescu, T.
5
1988
On the structure of positive Toeplitz forms. Zbl 0527.47005
Constantinescu, T.
5
1983
On L.Schwartz’s boundedness condition for kernels. Zbl 1096.47010
Constantinescu, Tiberius; Gheondea, Aurelian
5
2006
The Schur algorithm and coefficient characterizations for generalized Schur functions. Zbl 0951.30016
Constantinescu, Tiberiu; Gheondea, Aurelian
4
2000
Inverse scattering experiments, structured matrix inequalities, and tensor algebra. Zbl 0996.15015
Constantinescu, Tiberiu; Sayed, Ali H.; Kailath, Thomas
4
2002
The structure of the Naimark dilation and Gaussian stationary processes. Zbl 0562.47005
Arsene, Gr.; Constantinescu, T.
4
1985
Some aspects of nonstationarity. II. Zbl 0826.47007
Constantinescu, T.
3
1990
The negative signature of some Hermitian matrices. Zbl 0812.15016
Constantinescu, T.; Gheondea, A.
3
1993
Extending factorizations and minimal negative signatures. Zbl 0806.47013
Constantinescu, Tiberiu; Gheondea, Aurelian
3
1992
Notes on interpolation in the generalized Schur class. I: Applications of realization theory. Zbl 1030.30036
Alpay, D.; Constantinescu, T.; Dijksma, A.; Rovnyak, J.
3
2002
An algorithm for the operatorial Carathéodory-Féjér problem. Zbl 0555.47005
Constantinescu, T.
3
1984
On unitary dilations and characteristic functions in indefinite inner product spaces. Zbl 0622.47039
Constantinescu, T.; Gheondea, A.
3
1987
Structure of positive block-matrices and nonstationary prediction. Zbl 0623.60055
Arsene, Gr.; Constantinescu, T.
3
1987
Relations on non-commutative variables and associated orthogonal polynomials. Zbl 1075.42008
Banks, Troy Vernon; Constantinescu, Tiberiu; Johnson, Joel L.
2
2005
Parametrizing quantum states and channels. Zbl 1130.81309
Constantinescu, T.; Ramakrishna, V.
2
2003
On a general extrapolation problem. Zbl 0631.47003
Constantinescu, T.
2
1987
A maximum entropy principle for contractive intertwining dilations. Zbl 0621.47013
Constantinescu, T.
2
1987
Multiplicative properties in the structure of contractions. Zbl 0626.47014
Arsene, Gr.; Ceauşescu, Zoia; Constantinescu, T.
2
1986
On the Carathéodory type problem of M. G. Kreĭn and H. Langer. Zbl 0926.30023
Constantinescu, Tiberiu; Gheondea, Aurelian
1
1998
Structured matrices and moment problems. Zbl 0828.93018
Constantinescu, T.; Sayed, A. H.; Kailath, T.
1
1993
Square-root algorithms for structured matrices, interpolation, and completion problems. Zbl 0823.65042
Sayed, A. H.; Constantinescu, T.; Kailath, T.
1
1995
On the indefinite trigonometric moment problem of I. S. Iohvidov and M. G. Kreĭn. Zbl 0817.47020
Constantinescu, Tiberiu; Gheondea, Aurelian
1
1995
Kolmogorov decompositions and the realization of time dependent systems. Zbl 0949.47010
Constantinescu, Tiberiu; Gheondea, Aurelian
1
2000
Tensor algebras and displacement structure. I: The Schur algorithm. Zbl 1006.15032
Constantinescu, Tiberiu; Johnson, Joel L.
1
2002
Tensor algebras and displacement structure. II: Non-commutative Szegö polynomials. Zbl 1028.15030
Constantinescu, Tiberiu; Johnson, Joel L.
1
2002
Structured extensions of matrices. Zbl 1020.47013
Constantinescu, Tiberiu; Sayed, Ali H.; Kailath, Thomas
1
2000
Tensor algebras and displacement structure. III: Asymptotic properties. Zbl 1061.15025
Barakat, M.; Constantinescu, Tiberiu
1
2004
Quelques propriétés des graphes triangulaires. (Some properties of chordal graphs). Zbl 0692.05041
Bakonyi, Mihai; Constantinescu, Tiberiu
1
1990
A property of Ricci’s form. Zbl 0475.53050
Constantinescu, Tiberiu
1
1981
On L.Schwartz’s boundedness condition for kernels. Zbl 1096.47010
Constantinescu, Tiberius; Gheondea, Aurelian
5
2006
Relations on non-commutative variables and associated orthogonal polynomials. Zbl 1075.42008
Banks, Troy Vernon; Constantinescu, Tiberiu; Johnson, Joel L.
2
2005
Tensor algebras and displacement structure. III: Asymptotic properties. Zbl 1061.15025
Barakat, M.; Constantinescu, Tiberiu
1
2004
A note on noncommutative interpolation. Zbl 1056.47013
Constantinescu, T.; Johnson, J. L.
7
2003
Notes on interpolation in the generalized Schur class. II. Nudel’man’s problem. Zbl 1060.47020
Alpay, D.; Constantinescu, T.; Dijksma, A.; Rovnyak, J.
6
2003
Parametrizing quantum states and channels. Zbl 1130.81309
Constantinescu, T.; Ramakrishna, V.
2
2003
Inverse scattering experiments, structured matrix inequalities, and tensor algebra. Zbl 0996.15015
Constantinescu, Tiberiu; Sayed, Ali H.; Kailath, Thomas
4
2002
Notes on interpolation in the generalized Schur class. I: Applications of realization theory. Zbl 1030.30036
Alpay, D.; Constantinescu, T.; Dijksma, A.; Rovnyak, J.
3
2002
Tensor algebras and displacement structure. I: The Schur algorithm. Zbl 1006.15032
Constantinescu, Tiberiu; Johnson, Joel L.
1
2002
Tensor algebras and displacement structure. II: Non-commutative Szegö polynomials. Zbl 1028.15030
Constantinescu, Tiberiu; Johnson, Joel L.
1
2002
Representations of Hermitian kernels by means of Krein spaces. II. Invariant kernels. Zbl 0993.47015
Constantinescu, T.; Gheondea, A.
12
2001
The Schur algorithm and coefficient characterizations for generalized Schur functions. Zbl 0951.30016
Constantinescu, Tiberiu; Gheondea, Aurelian
4
2000
Kolmogorov decompositions and the realization of time dependent systems. Zbl 0949.47010
Constantinescu, Tiberiu; Gheondea, Aurelian
1
2000
Structured extensions of matrices. Zbl 1020.47013
Constantinescu, Tiberiu; Sayed, Ali H.; Kailath, Thomas
1
2000
On the Carathéodory type problem of M. G. Kreĭn and H. Langer. Zbl 0926.30023
Constantinescu, Tiberiu; Gheondea, Aurelian
1
1998
Representations of hermitian kernels by means of Kreĭn spaces. Zbl 0904.46016
Constantinescu, Tiberiu; Gheondea, Aurelian
15
1997
Schur parameters, factorization and dilation problems. Zbl 0872.47008
Constantinescu, Tiberiu
23
1996
Displacement structure and completion problems. Zbl 0820.15011
Constantinescu, Tiberiu; Sayed, Ali H.; Kailath, Thomas
6
1995
Square-root algorithms for structured matrices, interpolation, and completion problems. Zbl 0823.65042
Sayed, A. H.; Constantinescu, T.; Kailath, T.
1
1995
On the indefinite trigonometric moment problem of I. S. Iohvidov and M. G. Kreĭn. Zbl 0817.47020
Constantinescu, Tiberiu; Gheondea, Aurelian
1
1995
Time-variant displacement structure and interpolation problems. Zbl 0813.93029
Sayed, Ali H.; Constantinescu, Tiberiu; Kailath, Thomas
9
1994
Recursive solutions of rational interpolation problems via fast matrix factorization. Zbl 0838.47008
Sayed, A. H.; Kailath, T.; Lev-Ari, H.; Constantinescu, T.
6
1994
Schur’s algorithm and several applications. Zbl 0797.47011
Bakonyi, M.; Constantinescu, T.
30
1993
Elementary rotations of linear operators in Krein spaces. Zbl 0832.47028
Constantinescu, Tiberiu; Gheondea, Aurelian
8
1993
The negative signature of some Hermitian matrices. Zbl 0812.15016
Constantinescu, T.; Gheondea, A.
3
1993
Structured matrices and moment problems. Zbl 0828.93018
Constantinescu, T.; Sayed, A. H.; Kailath, T.
1
1993
Minimal signature in lifting of operators. II. Zbl 0778.47025
Constantinescu, Tiberiu; Gheondea, Aurelian
9
1992
Extending factorizations and minimal negative signatures. Zbl 0806.47013
Constantinescu, Tiberiu; Gheondea, Aurelian
3
1992
Inheritance principles for chordal graphs. Zbl 0764.05055
Bakonyi, Mihai; Constantinescu, Tiberiu
9
1991
Some aspects of nonstationarity. II. Zbl 0826.47007
Constantinescu, T.
3
1990
Quelques propriétés des graphes triangulaires. (Some properties of chordal graphs). Zbl 0692.05041
Bakonyi, Mihai; Constantinescu, Tiberiu
1
1990
Minimal signature in lifting of operators. I. Zbl 0725.47032
Constantinescu, Tiberiu; Gheondea, Aurelian
9
1989
Schur analysis of some completion problems. Zbl 0667.15019
Arsene, Gr.; Ceauşescu, Zoia; Constantinescu, T.
9
1988
Operator Schur algorithm and associated functions. Zbl 0686.30031
Constantinescu, T.
5
1988
Lifting of operators and prescribed numbers of negative squares. Zbl 0632.47031
Arsene, Gr.; Constantinescu, T.; Gheondea, A.
10
1987
On unitary dilations and characteristic functions in indefinite inner product spaces. Zbl 0622.47039
Constantinescu, T.; Gheondea, A.
3
1987
Structure of positive block-matrices and nonstationary prediction. Zbl 0623.60055
Arsene, Gr.; Constantinescu, T.
3
1987
On a general extrapolation problem. Zbl 0631.47003
Constantinescu, T.
2
1987
A maximum entropy principle for contractive intertwining dilations. Zbl 0621.47013
Constantinescu, T.
2
1987
Schur analysis of positive block-matrices. Zbl 0589.47027
Constantinescu, T.
10
1986
Multiplicative properties in the structure of contractions. Zbl 0626.47014
Arsene, Gr.; Ceauşescu, Zoia; Constantinescu, T.
2
1986
The structure of the Naimark dilation and Gaussian stationary processes. Zbl 0562.47005
Arsene, Gr.; Constantinescu, T.
4
1985
On the structure of the Naimark dilation. Zbl 0555.47006
Constantinescu, T.
8
1984
An algorithm for the operatorial Carathéodory-Féjér problem. Zbl 0555.47005
Constantinescu, T.
3
1984
On the structure of positive Toeplitz forms. Zbl 0527.47005
Constantinescu, T.
5
1983
A property of Ricci’s form. Zbl 0475.53050
Constantinescu, Tiberiu
1
1981
all cited Publications top 5 cited Publications
all top 5

Cited by 137 Authors

21 Gheondea, Aurelian
14 Constantinescu, Tiberiu
13 Alpay, Daniel Aron
8 Bakonyi, Mihály
7 Olshevsky, Vadim
6 Fritzsche, Bernd
6 Gohberg, Israel
6 Kirstein, Bernd
5 Dijksma, Aad
5 Kailath, Thomas
4 Arlins’kyĭ, Yuriĭ Moĭseĭovych
4 Ball, Joseph Anthony
4 Bella, Tom
4 Bolotnikov, Vladimir
4 Colombo, Fabrizio
4 Popescu, Gelu
4 Sabadini, Irene
4 Sayed, Ali Hussein
3 Ay, Serdar
3 Dym, Harry
3 Peretz, Yossi
3 Rovnyak, James
3 Timotin, Dan
3 Zhlobich, Pavel
2 Anshelevich, Michael
2 Apitzsch, W.
2 Arsene, Grigore
2 Baidiuk, Dmytro V.
2 Boros, Tibor
2 Cojuhari, Petru A.
2 Derkach, Volodymyr Oleksandrovych
2 Dritschel, Michael A.
2 Eidelman, Yuli
2 Heo, Jaeseong
2 Ji, Un Cig
2 Johnson, Charles Royal
2 Johnson, Joel L.
2 Jørgensen, Palle E. T.
2 Kaashoek, Marinus Adriaan
2 Kheifets, Alexander
2 Lev-Ari, Hanoch
2 Lewkowicz, Izchak
2 Lilleberg, Lassi
2 Ober, Raimund J.
2 Ratiu, Tudor Stefan
2 Rodman, Leiba X.
2 Woerdeman, Hugo Jan
1 Abu-Ghanem, Khaled
1 Agler, Jim
1 Ali, Md Firoz
1 Allu, Vasudevarao
1 Andruchow, Esteban
1 Avicou, C.
1 Balasubramanian, Sriram
1 Banks, Troy Vernon
1 Barnabei, Marilena
1 Beisegel, Jesse
1 Beltiţă, Daniel
1 Bono, Aaron
1 Boricheva, Inna
1 Bruzual, Ramón
1 Bultheel, Adhemar François
1 Cantero, María José
1 Castagnino, Mario Alberto
1 Ceausescu, Zoia
1 Cerejeiras, Paula
1 Chalendar, Isabelle
1 Chiarelli, Nina
1 Cohen, Nir
1 Damanik, David
1 De Martino, Antonino
1 Diki, Kamal
1 Domínguez, Marisela
1 Dutkay, Dorin Ervin
1 El-Sissi, Nermine
1 Fang, Quanlei
1 Foiaș, Ciprian
1 Frazho, Arthur E.
1 Freydin, Boris
1 Fuchs, Stefan H.
1 Hassi, Seppo
1 Heggernes, Pinar
1 Heinig, Georg
1 Iglesias, Pablo A.
1 Iguri, Sergio Manuel
1 Ionescu, Vlad
1 Kähler, Uwe
1 Kaliuzhnyi-Verbovetzkyi, Dmitry S.
1 Kaltenbäck, Michael
1 Kaneko, Osamu
1 Kavruk, Ali Şamil
1 Killip, Rowan
1 Kim, Young Yi
1 Köhler, Ekkehard
1 Koltracht, Israel
1 Krnc, Matjaž
1 Krug, Vera
1 Liu, Yonghui
1 Loose, H. H.
1 Mancini, Federico
...and 37 more Authors
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Cited in 39 Serials

25 Linear Algebra and its Applications
21 Integral Equations and Operator Theory
12 Journal of Functional Analysis
9 Complex Analysis and Operator Theory
6 Journal of Mathematical Analysis and Applications
4 Proceedings of the American Mathematical Society
4 Transactions of the American Mathematical Society
4 Zeitschrift für Analysis und ihre Anwendungen
3 Mathematische Nachrichten
3 Optimization
2 Bulletin of the Australian Mathematical Society
2 Journal of Mathematical Physics
2 Linear and Multilinear Algebra
1 Discrete Applied Mathematics
1 Journal d’Analyse Mathématique
1 Studia Mathematica
1 Reviews in Mathematical Physics
1 Advances in Mathematics
1 Automatica
1 Calcolo
1 Czechoslovak Mathematical Journal
1 International Journal of Mathematics and Mathematical Sciences
1 Journal of Approximation Theory
1 Journal of Computational and Applied Mathematics
1 Journal of Optimization Theory and Applications
1 Mathematische Annalen
1 Publications of the Research Institute for Mathematical Sciences, Kyoto University
1 Statistics
1 Journal of the American Mathematical Society
1 MCSS. Mathematics of Control, Signals, and Systems
1 Numerical Algorithms
1 Journal of Mathematical Sciences (New York)
1 Positivity
1 Mathematical and Computer Modelling of Dynamical Systems
1 Annals of Mathematics. Second Series
1 Journal of Evolution Equations
1 Computational Methods and Function Theory
1 Journal of Applied Mathematics and Computing
1 Analysis and Mathematical Physics
all top 5

Cited in 29 Fields

80 Operator theory (47-XX)
33 Functional analysis (46-XX)
31 Linear and multilinear algebra; matrix theory (15-XX)
25 Functions of a complex variable (30-XX)
16 Systems theory; control (93-XX)
13 Numerical analysis (65-XX)
12 Harmonic analysis on Euclidean spaces (42-XX)
9 Combinatorics (05-XX)
8 Abstract harmonic analysis (43-XX)
6 Approximations and expansions (41-XX)
5 Special functions (33-XX)
5 Probability theory and stochastic processes (60-XX)
3 Number theory (11-XX)
2 Topological groups, Lie groups (22-XX)
2 Ordinary differential equations (34-XX)
2 Partial differential equations (35-XX)
2 Dynamical systems and ergodic theory (37-XX)
2 Global analysis, analysis on manifolds (58-XX)
1 Associative rings and algebras (16-XX)
1 Several complex variables and analytic spaces (32-XX)
1 Integral transforms, operational calculus (44-XX)
1 Calculus of variations and optimal control; optimization (49-XX)
1 Differential geometry (53-XX)
1 General topology (54-XX)
1 Computer science (68-XX)
1 Optics, electromagnetic theory (78-XX)
1 Quantum theory (81-XX)
1 Operations research, mathematical programming (90-XX)
1 Information and communication theory, circuits (94-XX)

Citations by Year