Farkas B et al. COMMUTATION PROPERTIES OF THE FORM SUM OF POSITIVE, SYMMETRIC OPERATORS. (2001) ACTA SCIENTIARUM MATHEMATICARUM (SZEGED) 0001-6969 67 3-4 777-790,
1375017
Szakcikk (Folyóiratcikk) | Tudományos[1375017]
Roman Marcel et al. A Factorization Approach to the Extension Theory of the Tensor Product of Nonnegative Linear Relations. (2017) RESULTS IN MATHEMATICS 1422-6383 1420-9012 72 1-2 875-891
Hassi Seppo et al. Extremal extensions for the sum of nonnegative selfadjoint relations. (2007) PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY 0002-9939 1088-6826 135 10 3193-3204
Hassi Seppo et al. Extremal extensions for the sum of nonnegative selfadjoint relations. (2007) PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY 0002-9939 1088-6826 135 10 3193-3204
Nittka R. Approximation of the semigroup generated by the Robin Laplacian in terms of the Gaussian semigroup. (2009) JOURNAL OF FUNCTIONAL ANALYSIS 0022-1236 1096-0783 257 5 1429-1444
Facchi P et al. Quantum Zeno dynamics: Mathematical and physical aspects. (2008) JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL 1751-8113 1751-8121 41 49
Exner P et al. On relations between stable and zeno dynamics in a leaky graph decay model. (2007) Megjelent: Operator Theory, Analysis and Mathematical Physics pp. 21-34
Exner P. Sufficient conditions for the anti-Zeno effect. (2005) JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL 0305-4470 1361-6447 1751-8121 1751-8113 38 24 L449-L454
Matolcsi M. On the relation of closed forms and Trotter's product formula. (2003) JOURNAL OF FUNCTIONAL ANALYSIS 0022-1236 1096-0783 205 2 401-413,
168359
Szakcikk (Folyóiratcikk) | Tudományos[168359]
Gallardo-Gutierrez Eva A. et al. On generators of C-0-semigroups of composition operators. (2019) ISRAEL JOURNAL OF MATHEMATICS 0021-2172 229 1 487-500
W Arendt. Semigroups and evolution equations: Functional calculus, regularity and kernel estimates. (2012) Megjelent: Evolutionary Equations pp. 444-511
Nittka R. Approximation of the semigroup generated by the Robin Laplacian in terms of the Gaussian semigroup. (2009) JOURNAL OF FUNCTIONAL ANALYSIS 0022-1236 1096-0783 257 5 1429-1444
Matthias Langer. Operator Theory and Indefinite Inner Product Spaces: Presented on the Indefinite Inner Product Spaces: Presented on the occasion of the retirement of Heint Langer in the Colloquium on Operator Theory, Vienna, March 2004. (2000) ISBN:3764375159
Nagy A et al. A lowerbound on the dimension of positive realizations. (2003) IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I - FUNDAMENTAL THEORY AND APPLICATIONS 1057-7122 1549-8328 50 6 782-784,
168355
Szakcikk (Folyóiratcikk) | Tudományos[168355]
Benvenuti Luca. THE NIEP AND THE POSITIVE REALIZATION PROBLEM. (2020) ELECTRONIC JOURNAL OF LINEAR ALGEBRA 1537-9582 1081-3810 36 367-384
Benvenuti Luca. An upper bound on the dimension of minimal positive realizations for discrete time systems. (2020) SYSTEMS & CONTROL LETTERS 0167-6911 1872-7956 145
Benvenuti Luca. A lower bound on the dimension of minimal positive realizations for discrete time systems. (2020) SYSTEMS & CONTROL LETTERS 0167-6911 1872-7956 135
Mao Y et al. Stability and constrained control of a class of discrete-time fuzzy positive systems with time-varying delays. (2013) CIRCUITS SYSTEMS AND SIGNAL PROCESSING 0278-081X 1531-5878 32 2 889-904
Benvenuti L. Minimal positive realizations of transfer functions with real poles. (2013) IEEE TRANSACTIONS ON AUTOMATIC CONTROL 0018-9286 58 4 1013-1017
K Kim. THE DIMENSION REDUCTION ALGORITHM FOR THE POSITIVE REALIZATION OF DISCRETE PHASE-TYPE DISTRIBUTIONS. (2012) JOURNAL OF THE KOREAN SOCIETY FOR INDUSTRIAL AND APPLIED MATHEMATICS 1226-9433 16 1 51-64
Mao Y et al. Stability analysis and constrained control of a class of fuzzy positive systems with delays using linear copositive Lyapunov functional. (2012) CIRCUITS SYSTEMS AND SIGNAL PROCESSING 0278-081X 1531-5878 31 5 1863-1875
Benvenuti L. On the reachable set for third-order linear discrete-time systems with positive control. (2011) SYSTEMS & CONTROL LETTERS 0167-6911 1872-7956 60 9 690-698
Wang Y et al. Constrained control of uncertain systems with unbounded delays. (2011) Megjelent: Proceedings of the 30th Chinese Control Conference pp. 219-223
Liu X et al. Stability analysis of positive systems with unbounded delays. (2010) Megjelent: 2010 CHINESE CONTROL AND DECISION CONFERENCE, VOLS 1-5 pp. 193-198
Liu X et al. Stability analysis for continuous-time positive systems with time-varying delays. (2010) IEEE TRANSACTIONS ON AUTOMATIC CONTROL 0018-9286 55 4 1024-1028
Liu X et al. Stability analysis of positive systems with bounded time-varying delays. (2009) IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS 1549-7747 1558-3791 56 7 600-604
Canto R et al. Positive realizations of transfer matrices with real poles. (2007) IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS 1549-7747 1558-3791 54 6 517-521
Sun Y et al. A note on minimal positive realizations of continuous-time linear systems. (2007) Megjelent: 2007 IEEE International Conference on Networking, Sensing and Control, ICNSC'07 pp. 123-128
Benvenuti L. The positive realization problem: Past and future challenges. (2006) LECTURE NOTES IN CONTROL AND INFORMATION SCIENCES 0170-8643 341 11-18
Sun Y et al. Minimal positive realizations of third-order systems with complex poles. (2006) LECTURE NOTES IN CONTROL AND INFORMATION SCIENCES 0170-8643 341 327-334
Sun Y et al. Minimal positive realizations for transfer functions with negative poles. (2006) Megjelent: 2006 Chinese Control Conference, Vols 1-5 pp. 90-95
Nagy B et al. Algorithm for positive realization of transfer functions. (2003) IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I - FUNDAMENTAL THEORY AND APPLICATIONS 1057-7122 1549-8328 50 5 699-702,
168356
Szakcikk (Folyóiratcikk) | Tudományos[168356]
Zheng Jianying et al. Minimal Strongly Eventually Positive Realization or a Class of Externally Positive Systems. (2019) IEEE TRANSACTIONS ON AUTOMATIC CONTROL 0018-9286 64 10 4314-4320
Kim Kyungsup. A Constructive Positive Realization with Sparse Matrices for a Continuous-Time Positive Linear System. (2013) MATHEMATICAL PROBLEMS IN ENGINEERING 1024-123X 1563-5147
Kim K et al. Positive realization of continuous linear systems with order bound. (2012) Megjelent: Proceedings of the 9th International Conference on Informatics in Control, Automation and Robotics, ICINCO 2012: Vol. 1 pp. 566-569
Benvenuti L. On the reachable set for third-order linear discrete-time systems with positive control: The case of complex eigenvalues. (2011) SYSTEMS & CONTROL LETTERS 0167-6911 1872-7956 60 12 1000-1008
Benvenuti L. On the reachable set for third-order linear discrete-time systems with positive control. (2011) SYSTEMS & CONTROL LETTERS 0167-6911 1872-7956 60 9 690-698
Matolcsi M et al. Estimates for the dimensions of nonnegative realizations. (2004) ACTA SCIENTIARUM MATHEMATICARUM (SZEGED) 0001-6969 70 3-4 511-524,
168541
Szakcikk (Folyóiratcikk) | Tudományos[168541]
Farina L. Discussion on: "Representation of a class of MIMO systems via internally positive realization". (2010) EUROPEAN JOURNAL OF CONTROL 0947-3580 16 3 305-306
Gallardo-Gutierrez Eva A. et al. On generators of C-0-semigroups of composition operators. (2019) ISRAEL JOURNAL OF MATHEMATICS 0021-2172 229 1 487-500
Matolcsi M. On the $n^th$ linear polarization constant of $R^n$. (2004) Megjelent: Actas del Colloquium 2003/2004. (Publicaciones del Departamento Analisis Matematico del Universidad Complutense. Seccion 1, Num... pp. 101-109,
168540
Anagnostopoulos Vasilios A et al. Polarization constants for products of linear functionals over $\Bbb R\sp 2$ and $\Bbb C\sp 2$ and Chebyshev constants of the unit sphere. (2006) PUBLICATIONES MATHEMATICAE DEBRECEN 0033-3883 2064-2849 68 1-2 63-75
Révész S. Some polinomial inequalites on real normed spaces. (2004) Actas del Colloquium 2003/2004. (Publicaciones del Departamento Analisis Matematico del Universidad Complutense. Seccion 1, Num 52) 83-109
Halmschlager A et al. Minimal positive realizations for a class of transfer functions. (2005) IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS 1549-7747 1558-3791 52 4 177-180,
2147251
Szakcikk (Folyóiratcikk) | Tudományos[2147251]
Du Huanchao et al. On Determining of LTI Systems Having Nondecreasing Step Response. (2021) IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS 1549-7747 1558-3791 68 6 2087-2091
Benvenuti Luca. An upper bound on the dimension of minimal positive realizations for discrete time systems. (2020) SYSTEMS & CONTROL LETTERS 0167-6911 1872-7956 145
Benvenuti Luca. A lower bound on the dimension of minimal positive realizations for discrete time systems. (2020) SYSTEMS & CONTROL LETTERS 0167-6911 1872-7956 135
Zheng Jianying et al. Minimal Strongly Eventually Positive Realization or a Class of Externally Positive Systems. (2019) IEEE TRANSACTIONS ON AUTOMATIC CONTROL 0018-9286 64 10 4314-4320
Benvenuti L. Minimal positive realizations of transfer functions with real poles. (2013) IEEE TRANSACTIONS ON AUTOMATIC CONTROL 0018-9286 58 4 1013-1017
Ke Li et al. A Necessary and Sufficient Condition for an n th-order System to Have a Positive Realization of Dimension n. (2011) Megjelent: 2011 International Conference in Electrics, Communication and Automatic Control Proceedings pp. 1341-1347
Liu X et al. Stability analysis for continuous-time positive systems with time-varying delays. (2010) IEEE TRANSACTIONS ON AUTOMATIC CONTROL 0018-9286 55 4 1024-1028
Cantó R et al. On positivity of discrete-time singular systems and the realization problem. (2009) LECTURE NOTES IN CONTROL AND INFORMATION SCIENCES 0170-8643 389 251-258
Cantó Colomina Rafael. Realizaciones positivas de determinados sistemas singulares. (2007) Megjelent: XX Congreso de Ecuaciones Diferenciales y Aplicaciones. Sevilla, 24-28 de septiembre de 2007 pp. 1-8
Canto R et al. Positive realizations of transfer matrices with real poles. (2007) IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS 1549-7747 1558-3791 54 6 517-521
Sun Y et al. A note on minimal positive realizations of continuous-time linear systems. (2007) Megjelent: 2007 IEEE International Conference on Networking, Sensing and Control, ICNSC'07 pp. 123-128
Sun Y. Minimal positive realizations of third-order systems with complex poles. (2006) Megjelent: Lecture Notes in Control and Information Sciences pp. 327-334
Sun Y et al. Minimal positive realizations for transfer functions with negative poles. (2006) Megjelent: 2006 Chinese Control Conference, Vols 1-5 pp. 90-95
Matolcsi M. A geometric estimate on the norm of product of functionals. (2005) LINEAR ALGEBRA AND ITS APPLICATIONS 0024-3795 1873-1856 405 304-310,
168717
Szakcikk (Folyóiratcikk) | Tudományos[168717]
Carando Daniel et al. Non-linear plank problems and polynomial inequalities. (2017) REVISTA MATEMATICA COMPLUTENSE 1139-1138 30 3 507-523
Pinasco D. LOWER BOUNDS FOR NORMS OF PRODUCTS OF POLYNOMIALS VIA BOMBIERI INEQUALITY. (2012) TRANSACTIONS OF THE AMERICAN MATHEMATICAL SOCIETY 0002-9947 1088-6850 364 8 3993-4010
Munoz-Fernandez CA et al. THE REAL PLANK PROBLEM AND SOME APPLICATIONS. (2010) PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY 0002-9939 1088-6826 138 7 2521-2535
Anagnostopoulos Vasilios A et al. Polarization constants for products of linear functionals over $\Bbb R\sp 2$ and $\Bbb C\sp 2$ and Chebyshev constants of the unit sphere. (2006) PUBLICATIONES MATHEMATICAE DEBRECEN 0033-3883 2064-2849 68 1-2 63-75
Pappas Alexandros et al. Linear polarization constants of Hilbert spaces. (2004) JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS 0022-247X 1096-0813 300 1 129-146
Matolcsi M. Fuglede`s conjecture fails in dimension 4. (2005) PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY 0002-9939 1088-6826 133 10 3021-3026,
168716
Szakcikk (Folyóiratcikk) | Tudományos[168716]
Liu Jing-Cheng et al. The cardinality of mu(M, D)-orthogonal exponentials for the planar four digits. (2021) FORUM MATHEMATICUM 0933-7741 1435-5337 33 5 923-935
Kiss Gergely et al. Fuglede’s conjecture holds on ℤ_{𝕡}²×ℤ_{𝕢}. (2021) PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY 0002-9939 1088-6826 149 10 4181-4188