Langer, M., & Woracek, H. (2024). Karamata’s theorem for regularized Cauchy transforms. PROCEEDINGS OF THE ROYAL SOCIETY OF EDINBURGH SECTION A-MATHEMATICS, 1–61. https://doi.org/10.1017/prm.2023.128 ( reposiTUm)

Simonov, S., & Woracek, H. (2024). Local spectral multiplicity of selfadjoint couplings with general interface conditions. Integral Equations and Operator Theory, 96(2), Article 18. https://doi.org/10.1007/s00020-024-02767-6 ( reposiTUm)

Langer, M., Pruckner, R., & Woracek, H. (2023). Canonical systems whose Weyl coefficients have dominating real part. Journal d’Analyse Mathématique, 1–40. https://doi.org/10.1007/s11854-023-0297-9 ( reposiTUm)

Pruckner, R., & Woracek, H. (2022). Limit behavior of Weyl coefficients. St. Petersburg Mathematical Journal, 33, 849–865. https://doi.org/10.1090/spmj/1729 ( reposiTUm)

Pruckner, R., & Woracek, H. (2022). A growth estimate for the monodromy matrix of a canonical system. Journal of Spectral Theory, 12(4), 1623–1657. https://doi.org/10.4171/JST/437 ( reposiTUm)

Pruckner, R., & Woracek, H. (2021). Limit behaviour of Nevanlinna functions. Algebra i Analiz, 33(5), 153–175. http://hdl.handle.net/20.500.12708/138170 ( reposiTUm)

Romanov, R., & Woracek, H. (2020). Canonical systems with discrete spectrum. Journal of Functional Analysis, 278, Article 108318. https://doi.org/10.1016/j.jfa.2019.108318 ( reposiTUm)

Pruckner, R., & Woracek, H. (2019). Estimates for order of Nevanlinna matrices and a Berezanskii-type theorem. Proceedings of the Edinburgh Mathematical Society, 149(6), 1637–1661. https://doi.org/10.1017/prm.2018.56 ( reposiTUm)

Baranov, A., & Woracek, H. (2019). Stability of order and type under perturbation of the spectral measure. Revista Matemática Iberoamericana, 35(4), 963–1026. https://doi.org/10.4171/rmi/1076 ( reposiTUm)

Sokolova, A., & Woracek, H. (2018). Termination in Convex Sets of Distributions. Logical Methods in Computer Science, 14(4), 1–28. https://doi.org/10.23638/LMCS-14(4:17)2018 ( reposiTUm)

de Snoo, H., & Woracek, H. (2018). The Krein formula in almost Pontryagin spaces. A proof via orthogonal coupling. Indagationes Mathematicae, 29(2), 714–729. https://doi.org/10.1016/j.indag.2017.12.001 ( reposiTUm)

Woracek, H. (2018). Perturbation of chains of de Branges spaces. Journal d’Analyse Mathématique, 135(1), 271–312. https://doi.org/10.1007/s11854-018-0036-9 ( reposiTUm)

Pruckner, R., Romanov, R., & Woracek, H. (2017). Bounds on Order of Indeterminate Moment Sequences. Constructive Approximation, 46(1), 199–225. https://doi.org/10.1007/s00365-016-9351-5 ( reposiTUm)

de Snoo, H., & Woracek, H. (2016). Restriction and Factorization for Isometric and Symmetric Operators in Almost Pontryagin Spaces. Noncommutative Analysis, Operator Theory and Applications, 123–170. https://doi.org/10.1007/978-3-319-29116-1_8 ( reposiTUm)

Langer, M., & Woracek, H. (2015). Stability of N-extremal measures. Methods of Functional Analysis and Topology, 21(1), 69–75. http://hdl.handle.net/20.500.12708/151620 ( reposiTUm)

Langer, M., & Woracek, H. (2015). Distributional representations of Nk(∞)-functions. Mathematische Nachrichten, 288(10), 1127–1149. http://hdl.handle.net/20.500.12708/151623 ( reposiTUm)

Woracek, H. (2015). Asymptotics of eigenvalues for a class of singular Krein strings. Collectanea Mathematica, 66(3), 469–479. https://doi.org/10.1007/s13348-014-0110-2 ( reposiTUm)

Sokolova, A., & Woracek, H. (2015). Congruences of Convex Algebras. Journal of Pure and Applied Algebra, 219, 3110–3148. http://hdl.handle.net/20.500.12708/151621 ( reposiTUm)

Woracek, H. (2015). Entries of indefinite Nevanlinna matrices. ST PETERSBURG MATHEMATICAL JOURNAL, 26(5), 757–783. http://hdl.handle.net/20.500.12708/151619 ( reposiTUm)

Langer, M., & Woracek, H. (2014). Stability of the derivative of a canonical product. Complex Analysis and Operator Theory, 8(6), 1183–1224. http://hdl.handle.net/20.500.12708/157125 ( reposiTUm)

Woracek, H. (2014). Reproducing kernel almost Pontryagin spaces. Linear Algebra and Its Applications, 461, 271–317. http://hdl.handle.net/20.500.12708/157122 ( reposiTUm)

Simonov, S., & Woracek, H. (2014). Spectral Multiplicity of Selfadjoint Schrödinger Operators on Star-Graphs with Standard Interface Conditions. Integral Equations and Operator Theory, 78(4), 523–575. https://doi.org/10.1007/s00020-013-2106-9 ( reposiTUm)

Winkler, H., & Woracek, H. (2014). A growth condition for Hamiltonian systems related with Krein strings. Acta Scientiarum Mathematicarum, 80(12), 31–94. https://doi.org/10.14232/actasm-012-028-8 ( reposiTUm)

Langer, M., & Woracek, H. (2013). Indefinite Hamiltonian systems whose Titchmarsh--Weyl coefficients have no finite generalized poles of non-negative type. OPERATORS AND MATRICES, 3, 477–555. https://doi.org/10.7153/oam-07-29 ( reposiTUm)

Langer, M., & Woracek, H. (2013). The exponential type of the fundamental solution of an indefinite Hamiltonian system. Complex Analysis and Operator Theory, 7(1), 285–312. https://doi.org/10.1007/s11785-011-0152-3 ( reposiTUm)

Winkler, H., & Woracek, H. (2013). Symmetry in de Branges almost Pontryagin spaces. Integral Equations and Operator Theory, 76, 179–212. http://hdl.handle.net/20.500.12708/155588 ( reposiTUm)

Baranov, A., & Woracek, H. (2013). De Branges’ theorem on approximation problems of Bernstein type. Journal of the Institute of Mathematics of Jussieu, 12(4), 879–899. http://hdl.handle.net/20.500.12708/155577 ( reposiTUm)

de Snoo, H., & Woracek, H. (2012). Sums, couplings, and completions of almost Pontryagin spaces. Linear Algebra and Its Applications, 437(2), 559–580. https://doi.org/10.1016/j.laa.2012.02.031 ( reposiTUm)

Winkler, H., & Woracek, H. (2012). Reparameterizations of non-trace normed Hamiltonians. Spectral Theory, Mathematical System Theory, Evolution Equations, Differential and Difference Equations, 667–690. https://doi.org/10.1007/978-3-0348-0297-0_40 ( reposiTUm)

Langer, M., & Woracek, H. (2011). A local inverse spectral theorem for Hamiltonian systems. Inverse Problems, 27(5), 055002. https://doi.org/10.1088/0266-5611/27/5/055002 ( reposiTUm)

Woracek, H. (2011). Existence of zerofree functions N-associated to a de Branges Pontryagin space. Monatshefte Für Mathematik, 162, 453–506. https://doi.org/10.1007/s00605-010-0203-2 ( reposiTUm)

Baranov, A., & Woracek, H. (2011). Majorization in de Branges spaces II. Banach spaces generated by majorants. Collectanea Mathematica, 62(1), 27–55. https://doi.org/10.1007/s13348-010-0003-y ( reposiTUm)

Pivovarchik, V., & Woracek, H. (2011). Eigeenvalue asymptotics for a star-graph damped vibrations problem. Asymptotic Analysis, 73(169–185). http://hdl.handle.net/20.500.12708/162606 ( reposiTUm)

Langer, M., & Woracek, H. (2011). The exponential type of the fundamental solution of an indefinite Hamiltonian system. Complex Analysis and Operator Theory, 7(1), 285–312. https://doi.org/10.1007/s11785-011-0152-3 ( reposiTUm)

Langer, M., & Woracek, H. (2011). A function space model for canonical systems with an inner singularity. Acta Scientiarum Mathematicarum, 77(1–2), 101–165. https://doi.org/10.1007/bf03651369 ( reposiTUm)

Kaltenbäck, M., & Woracek, H. (2011). Pontryagin spaces of entire functions. V. Acta Scientiarum Mathematicarum, 77(1–2), 223–336. https://doi.org/10.1007/bf03651372 ( reposiTUm)

Kaltenbäck, M., & Woracek, H. (2010). Pontryagin spaces of entire functions. VI. Acta Sci.Math. (Szeged), 76, 511–560. http://hdl.handle.net/20.500.12708/168023 ( reposiTUm)

Baranov, A., & Woracek, H. (2010). Majorization in de Branges spaces I. Representability of subspaces. Journal of Functional Analysis, 258(8), 2601–2636. https://doi.org/10.1016/j.jfa.2010.01.016 ( reposiTUm)

Woracek, H. (2009). Majorization in de~Branges spaces III. Division by Blaschke products. Algebra Und Analysis, 21(6), 3–46. http://hdl.handle.net/20.500.12708/168255 ( reposiTUm)

Baranov, A., & Woracek, H. (2009). Subspaces of de Branges spaces generated by majorants. Canadian Journal of Mathematics, 61, 503–517. http://hdl.handle.net/20.500.12708/166496 ( reposiTUm)

Langer, M., & Woracek, H. (2009). Dependence of the Weyl coefficient on singular interface conditions. Proceedings of the Edinburgh Mathematical Society, 52, 445–487. http://hdl.handle.net/20.500.12708/166495 ( reposiTUm)

Pivovarchik, V., & Woracek, H. (2009). Sums of Nevanlinna functions and differential equations on star-shaped graphs. Operators and Matrices, 3(4), 451–501. http://hdl.handle.net/20.500.12708/167554 ( reposiTUm)

Sokolova, A., de Vink, E., & Woracek, H. (2009). Coalgebraic weak bisimulation for action type systems. Scientific Annals of Computer Science, 19, 93–144. http://hdl.handle.net/20.500.12708/167555 ( reposiTUm)

Winkler, H., & Woracek, H. (2008). On semibounded canonical systems. Linear Algebra and Its Applications, 429, 1082–1092. http://hdl.handle.net/20.500.12708/170714 ( reposiTUm)

Baranov, A., & Woracek, H. (2008). Finite-dimensional de Branges subspaces generated by majorants. Operator Theory: Advances and Applications, 188, 37–48. http://hdl.handle.net/20.500.12708/171306 ( reposiTUm)

Sokolova, A., de Vink, E., & Woracek, H. (2007). A companion to coalgebraic weak bisumulation for action-type systems. Computer Science Report, TU Eindhoven, 2007. http://hdl.handle.net/20.500.12708/170885 ( reposiTUm)

Pivovarchik, V., & Woracek, H. (2007). The square-transform of Hermite-Biehler functions. A geometric approach. Methods Funct.Anal.Topology, 13(2), 187–200. http://hdl.handle.net/20.500.12708/168774 ( reposiTUm)

Kaltenbäck, M., Winkler, H., & Woracek, H. (2007). Strings, dual strings, and related canonical systems. Mathematische Nachrichten, 280(13–14), 1518–1536. http://hdl.handle.net/20.500.12708/168773 ( reposiTUm)

Kaltenbäck, M., & Woracek, H. (2007). Canonical Differential Equations of Hilbert-Schmidt Type. Operator Theory: Advances and Applications, 175, 159–168. http://hdl.handle.net/20.500.12708/168692 ( reposiTUm)

Pivovarchik, V., & Woracek, H. (2007). Shifted Hermite-Biehler Functions and Their Applications. Integral Equations and Operator Theory, 57, 101–126. http://hdl.handle.net/20.500.12708/168693 ( reposiTUm)

Kaltenbäck, M., Winkler, H., & Woracek, H. (2006). Generalized Nevanlinna functions with essentially positive spectrum. J. Operator Theory, 55(1), 17–48. http://hdl.handle.net/20.500.12708/172082 ( reposiTUm)

Kaltenbäck, M., & Woracek, H. (2006). Schmidt-Representation of Difference Quotient Operators. Operator Theory: Advances and Applications, 171, 147–170. http://hdl.handle.net/20.500.12708/172140 ( reposiTUm)

Kaltenbäck, M., Winkler, H., & Woracek, H. (2006). De Branges Spaces of Entire Functions Symmetric About the Origin. Integral Equations and Operator Theory, 56, 483–509. http://hdl.handle.net/20.500.12708/172141 ( reposiTUm)

Kaltenbäck, M., & Woracek, H. (2006). Pontryagin spaces of entire functions. IV. Acta Sci.Math. (Szeged), 72, 709–835. http://hdl.handle.net/20.500.12708/172142 ( reposiTUm)

Baranov, A., & Woracek, H. (2006). Subspaces of de Branges spaces with prescribed growth. Akgebra i Analiz, 18(5), 23–45. http://hdl.handle.net/20.500.12708/172150 ( reposiTUm)

Kaltenbäck, M., & Woracek, H. (2006). Unique prime factorization in a partial semigroup of matrix-polynomials. Discussiones Mathematicae General Algebra and Applications, 26, 21–43. http://hdl.handle.net/20.500.12708/172081 ( reposiTUm)

Kaltenbäck, M., Winkler, H., & Woracek, H. (2005). Singularities of Generalized Strings. Operator Theory: Advances and Applications, 163, 191–248. http://hdl.handle.net/20.500.12708/172080 ( reposiTUm)

Kaltenbäck, M., Woracek, H., & Winkler, H. (2005). Symmetric Relations of Finite Negativity. Operator Theory: Advances and Applications, 162, 191–210. http://hdl.handle.net/20.500.12708/172079 ( reposiTUm)

Woracek, H., Sokolova, A., & de Vink, E. (2005). Weak Bisimulation for action type coalgebras. Electronic Notes in Theor. Comp. Science, 122(211–228). http://hdl.handle.net/20.500.12708/171916 ( reposiTUm)

Kaltenbäck, M., Winkler, H., & Woracek, H. (2005). Almost Pontryagin Spaces. Operator Theory: Advances and Applications, 160, 253–271. http://hdl.handle.net/20.500.12708/171904 ( reposiTUm)

Kaltenbäck, M., & Woracek, H. (2005). De Branges spaces of exponential type: general theory of growth. Acta Sci.Math. (Szeged), 71(1–2), 231–284. http://hdl.handle.net/20.500.12708/171905 ( reposiTUm)

Woracek, H., Eichinger, B., & Lukic, M. (2024). Universality limits for power bounded measures. In Shapes and shades of Analysis: in depth and beyond: Conference Program: Abstracts (pp. 19–19). ( reposiTUm)

Woracek, H. (2024). Homogeneous de Branges spaces. In 29th International Conference in Operator Theory (pp. 21–22). ( reposiTUm)

Eichinger, B., Lukić, M., Simanek, B., Woracek, H., & Yuditskii, P. (2024). Universality limits with a limit cycle. In ARNO 2024: Book of Abstracts (pp. 26–26). http://hdl.handle.net/20.500.12708/199038 ( reposiTUm)

Eichinger, B., Lukić, M., Simanek, B., & Woracek, H. (2024). Universality limits and homogeneous de Branges spaces. In 35th International Workshop on Operator Theory and its Applications (IWOTA24) (pp. 29–29). http://hdl.handle.net/20.500.12708/201484 ( reposiTUm)

Eichinger, B., Lukić, M., Simanek, B., & Woracek, H. (2024). Universality Limits via Canonical Systems. In Book of Abstracts: IMAG OPSFA 17 (pp. 21–21). http://hdl.handle.net/20.500.12708/199093 ( reposiTUm)

Eichinger, B., Lukić, M., & Woracek, H. (2023). Universality limits with regularly varying scaling. In IWOTA 2023 Program (pp. 125–126). http://hdl.handle.net/20.500.12708/190427 ( reposiTUm)

Sokolova, A., & Woracek, H. (2021). Nawrotzki’s Algorithm for the Countable Splitting Lemma, Constructively. In F. Gadducci & A. Silva (Eds.), LIPIcs 211 (pp. 1–16). 9th Conference on Algebra and Coalgebra in Computer Science CALCO 2021. http://hdl.handle.net/20.500.12708/41791 ( reposiTUm)

Sokolova, A., & Woracek, H. (2017). Termination in Convex Sets of Distributions. In P. Bonchi & B. König (Eds.), 7th Conference on Algebra and Coalgebra in Computer Science (CALCO 2017) (pp. 22:1-22:16). Leibnitz International Proceedings in Informatics. https://doi.org/10.4230/LIPIcs.CALCO.2017.22 ( reposiTUm)

Schwenninger, F., Zwart, H., Exner, P., Barseghyan, D., Picard, R., Trostorff, S., Waurick, M., Abdelmoumen, B., Pyatkov, S. G., Arendt, W., ter Elst, A. F. M., Kennedy, J. B., & Christodoulides, Y. (2014). Conference: Spectral Theory and Differential Operators. In H. Woracek, G. Teschl, & J. Behrndt (Eds.), Operators and Matrices, Vol 8 (pp. 161–287). Element d.o.o. publishing house. http://hdl.handle.net/20.500.12708/41389 ( reposiTUm)

Kaltenbäck, M., & Woracek, H. (2004). Hermite-Biehler functions with zeros close to the imaginary axis. In Proceedings of the American Mathematical Society (Issue 1, pp. 245–255). American Mathematical Society. http://hdl.handle.net/20.500.12708/174564 ( reposiTUm)

Langer, M., & Woracek, H. (2023). Direct and Inverse Spectral Theorems for a Class of Canonical Systems with Two Singular Endpoints. In I. Binder, D. Kinzebulatov, & J. Mashreghi (Eds.), Function Spaces, Theory and Applications (Vol. 87, pp. 105–205). Springer. https://doi.org/10.1007/978-3-031-39270-2_5 ( reposiTUm)

Sokolova, A., & Woracek, H. (2018). Proper Semirings and Proper Convex Functors. In C. Baier & U. Dal Lago (Eds.), Foundations of Software Science and Computation Structures (pp. 331–347). Springer International Publishing. https://doi.org/10.1007/978-3-319-89366-2_18 ( reposiTUm)

de Snoo, H., & Woracek, H. (2018). Compressed resolvents, Q-functions and h0-resolvents in almost Pontryagin spaces. In Indefinite Inner Product Spaces, Schur Analysis, and Differential Equations (Vol. 264, pp. 425–484). Birkhäuser. https://doi.org/10.1007/978-3-319-68849-7_18 ( reposiTUm)

Woracek, H. (2017). Directing Functionals and De Branges Space Completions in Almost Pontryagin Spaces. In Trends in Mathematics (pp. 347–398). Springer International Publishing. https://doi.org/10.1007/978-3-319-62362-7_13 ( reposiTUm)

Woracek, H. (2015). De Branges Spaces and Growth Aspects. In Operator Theory (pp. 1–31). Springer. https://doi.org/10.1007/978-3-0348-0692-3_7-1 ( reposiTUm)

Langer, M., Luger, A., & Woracek, H. (2006). Operator Theory and Indefinite Inner Product Spaces. Birkhäuser. http://hdl.handle.net/20.500.12708/22168 ( reposiTUm)

Eichinger, B., Lukić, M., Simanek, B., & Woracek, H. (2024, June 9). Universality Limits via Canonical Systems [Conference Presentation]. 8th Great Lakes Mathematical Physics Meeting (GLaMP 2024), East Lansing, United States of America (the). http://hdl.handle.net/20.500.12708/199035 ( reposiTUm)

Eichinger, B., Lukić, M., Simanek, B., & Woracek, H. (2024, July 1). Universality Limits via Canonical Systems [Conference Presentation]. XXI International Congress On Mathematical Physics (ICMP 2024), Straßburg, France. http://hdl.handle.net/20.500.12708/199036 ( reposiTUm)

Woracek, H. (2023, September 18). Jacobi operators with discrete spectrum and growth of the Nevanlinna matrix [Conference Presentation]. The Seventh Najman Conference on Spectral Theory and Differential Equations, Brijuni National Park, Croatia. ( reposiTUm)

Eichinger, B., Lukić, M., & Woracek, H. (2023, June 20). Universality limits with regularly varying scaling [Conference Presentation]. Contemporary Analysis and Its Applications (CAIA) 2023, Portorož, Slovenia. http://hdl.handle.net/20.500.12708/190243 ( reposiTUm)

Woracek, H. (2022, December 18). Indefinite Hamiltonian systems whose Weyl coefficient has no finite generalized poles of non-positive type [Conference Presentation]. Challenges in Spectral Theory of Differential Operators, Graz, Austria. ( reposiTUm)

Woracek, H. (2022, July 8). Spectral Theory of canonical systems: discreteness of spectrum and density of eigenvalues [Conference Presentation]. Workshop “Complex Analysis, Spectral Theory and Approximation,” JKU Linz, Austria. ( reposiTUm)

Woracek, H. (2022, June 28). A growth estimate for the monodromy matrix of a canonical system [Conference Presentation]. 28th International Conference in Operator Theory, Timisoara, Romania. http://hdl.handle.net/20.500.12708/146115 ( reposiTUm)

Woracek, H. (2021). High-energy behaviour of Weyl coefficients. Mini-course and Workshop on de Branges-Rovnyak Spaces, Fields Institute, Toronto, Canada. http://hdl.handle.net/20.500.12708/123328 ( reposiTUm)

Woracek, H. (2020). Proper Semirings and Proper Convex Functors. Austrian Workshop on Logic in Computer Science, Turracher Höhe, Austria. http://hdl.handle.net/20.500.12708/123185 ( reposiTUm)

Woracek, H. (2019). Limit behaviour of Nevanlinna functions. 30th International Workshop on Operator Theory and Applications (IWOTA 2019), Istituto Superior Tecnico Lisbon, Portugal. http://hdl.handle.net/20.500.12708/122925 ( reposiTUm)

Woracek, H. (2019). Canonical systems with discrete spectrum. Reproducing Kernels in Function Spaces and Their Applications am Euler International Mathematical Institute, St. Petersburg, Russian Federation (the). http://hdl.handle.net/20.500.12708/122924 ( reposiTUm)

Woracek, H. (2019). On a problem of Louis de Branges. Differential Operators on Graphs and Waveguides, Graz University of Technology, Austria. http://hdl.handle.net/20.500.12708/122923 ( reposiTUm)

Woracek, H. (2018). Selbstadjungierte Erweiterungen symmetrischer Operatoren. Summer School 2017, Reichenau, Austria. http://hdl.handle.net/20.500.12708/122199 ( reposiTUm)

Woracek, H. (2018). Schatten-Class Properties of Canonical Systems. 27th St. Petersburg Summer Meeting in Mathematical Analysis am Euler International Mathematical Institute, St. Petersburg, Russian Federation (the). http://hdl.handle.net/20.500.12708/122508 ( reposiTUm)

Woracek, H. (2017). Directing Functionals and De Branges Space Completions in Almost Pontryagin Spaces. The Fifths Najman Conference on Spectral Theory and Differential Equations, Opatija, Croatia. http://hdl.handle.net/20.500.12708/122198 ( reposiTUm)

Woracek, H. (2017). Stability of order and type of a measure. Hilbert Spaces of entire functions and their applications, Polish Mathematical Conference Center, Bedlewo, Poland. http://hdl.handle.net/20.500.12708/122197 ( reposiTUm)

Woracek, H. (2016). Order and Type of canonical systems. A Survey. Operator Theory, Analysis and Mathematical Physics (OTAMP 2016), St. Petersburg, Non-EU. http://hdl.handle.net/20.500.12708/121580 ( reposiTUm)

Woracek, H. (2015). Perturbation of chains of de Branges spaces. 24th St. Petersburg Summer Meeting in Mathematical Analysis, Euler International Mathematical Institute, St. Petersburg, Non-EU. http://hdl.handle.net/20.500.12708/121319 ( reposiTUm)

Woracek, H. (2015). The order problem for Hamburger Hamiltonians. Analysis Day Stockholm University, Stockholm, EU. http://hdl.handle.net/20.500.12708/121320 ( reposiTUm)

Woracek, H. (2014). Spectral theory of a class of canonical systems with two singular endpoints. Konferenz "Komplexe Analysis und/et Theorie Spectrale (KATS), Linz, Austria. http://hdl.handle.net/20.500.12708/120827 ( reposiTUm)

Woracek, H. (2014). Stability of the derivative of a canonical product. 23rd St. Petersburg Summer Meeting in Mathematical Analysis, St. Petersburg, Non-EU. http://hdl.handle.net/20.500.12708/120829 ( reposiTUm)

Woracek, H. (2014). Spectral theory of a class of canonical systems with two singular endpoints. Seminar Univ. Wien, Wien, Austria. http://hdl.handle.net/20.500.12708/120830 ( reposiTUm)

Woracek, H. (2014). Reproducing kernel almost Pontryagin spaces. Konferenz "Noncommutative Analysis, Operator Theory, and Applications, Mailand, EU. http://hdl.handle.net/20.500.12708/120828 ( reposiTUm)

Woracek, H. (2013). Direct and Inverse Spectral Problems for 2-dimensional Hamiltonian Systems. Gastvortrag, Masaryk University Brno, Czech Republic, EU. http://hdl.handle.net/20.500.12708/120474 ( reposiTUm)

Woracek, H. (2013). Almost Pontryagin space completions. Miniworkshop spectral and perturbation theory of selfadjoint operators in Krein spaces, Graz, Austria. http://hdl.handle.net/20.500.12708/120458 ( reposiTUm)

Woracek, H. (2013). Entries of indefinite Nevanlinna matrices. Lorentz Center Workshop: System and operator realizations of analytic functions, Leiden, EU. http://hdl.handle.net/20.500.12708/120472 ( reposiTUm)

Woracek, H. (2013). Riemannsche Flächen und analytische Fortsetzung. Gastvortrag, Masaryk University Brno, Czech Republic, EU. http://hdl.handle.net/20.500.12708/120473 ( reposiTUm)

Woracek, H. (2012). De Branges’ theorem on approximation problems of Bernstein type. 21th Summer St.Petersburg Meeting in Mathematical Analysis, Euler Institute, St.Petersburg, Non-EU. http://hdl.handle.net/20.500.12708/120270 ( reposiTUm)

Woracek, H. (2012). Asymptotics of eigenvalues for a class of singular Krein strings. Operator Theory, Analysis and Mathematical Physics, Centre de Recerca Mathematica, Barcelona, EU. http://hdl.handle.net/20.500.12708/120269 ( reposiTUm)

Woracek, H. (2011). An Addendum to M.G.Krein’s Inverse Spectral Theorem for strings. OeMG Tagung 2011, Donauuniversität Krems, Austria. http://hdl.handle.net/20.500.12708/119881 ( reposiTUm)

Woracek, H. (2011). An addendum to M.G.Krein’s Inverse Spectral Theorem for strings. 20th Summer St. Petersburg Meeting in Mathematical Analysis, St. Petersburg, Non-EU. http://hdl.handle.net/20.500.12708/119880 ( reposiTUm)

Woracek, H. (2011). A Generalization of de Branges’ theory to an indefinite setting and Weyl theory for differential operartors with singular coefficients. Hilbert Spaces of Entire Functions and Spectral Theory of Self-Adjoint Differential Operators, Centre de Recerca Mathemàtica, Barcelona, EU. http://hdl.handle.net/20.500.12708/119879 ( reposiTUm)

Woracek, H. (2011). Spectral theory for Hamiltonian systems with two singular endpoints. Seminar Angewandte Analysis und Numerische Mathematik, Technische Universität Graz, Austria. http://hdl.handle.net/20.500.12708/119883 ( reposiTUm)

Woracek, H. (2011). A local inverse spectral theorem for Hamiltonian systems. Inverse spectral problems in one dimension, International Centre for Mathematical Sciences, Edinburgh, EU. http://hdl.handle.net/20.500.12708/119882 ( reposiTUm)

Woracek, H. (2010). Two-dimensional Hamiltonian systems with two singular endpoints. IWOTA 2010 Berlin, Berlin, EU. http://hdl.handle.net/20.500.12708/119512 ( reposiTUm)

Woracek, H. (2010). An addendum to M.G.Krein’s inverse spectral theorem for strings. Workshop Systems and Operators, Groningen, EU. http://hdl.handle.net/20.500.12708/119513 ( reposiTUm)

Woracek, H. (2009). A local inverse spectral theorem for canonical systems. Workshop on boundary relations, Leiden, EU. http://hdl.handle.net/20.500.12708/119323 ( reposiTUm)

Woracek, H. (2009). Lokale Eindeutigkeitssätze für Hamiltonsche Systeme. TU Berlin, Berlin, Germany, EU. http://hdl.handle.net/20.500.12708/119322 ( reposiTUm)

Woracek, H. (2009). Inverse spectral theorems for Hamiltonian systems. Local results. University of Strathclyde, Glasgow, EU. http://hdl.handle.net/20.500.12708/119321 ( reposiTUm)

Woracek, H. (2008). Sums of Nevanlinna functions and differential equations on star shaped. 17th St.Petersburg Summer Meeting in Mathematical Analysis, St. Petersburg, Non-EU. http://hdl.handle.net/20.500.12708/118851 ( reposiTUm)

Woracek, H. (2007). Subspaces of DeBranges spaces with prescribed growth. Modern Analysis and Applications, Odessa, Non-EU. http://hdl.handle.net/20.500.12708/118191 ( reposiTUm)

Woracek, H. (2007). Indefinite Canonical Systems, Theory and Examples. IWOTA 2007, Potchefstroom, Potchefstroom, Südafrika, Non-EU. http://hdl.handle.net/20.500.12708/118459 ( reposiTUm)

Woracek, H. (2006). De Branges spaces of entire functions: General theaory of growth. 17th St.Petersburg Summer Meeting in Mathematical Analysis, St. Petersburg, Non-EU. http://hdl.handle.net/20.500.12708/118002 ( reposiTUm)

Woracek, H. (2006). On semibounded canonical systems. ILAS 2006, Amsterdam, EU. http://hdl.handle.net/20.500.12708/118003 ( reposiTUm)

Woracek, H. (2006). Admissible majorants for de Branges spaces of entire functions. 6th Workshop on Operator Theory in Krein Spaces and Applications, Berlin, EU. http://hdl.handle.net/20.500.12708/118004 ( reposiTUm)

Woracek, H. (2005). Shifted Hermite-Biehler functions. 5th Workshop Oper.Th.in Krein spaces and appl., Berlin, Non-EU. http://hdl.handle.net/20.500.12708/117837 ( reposiTUm)

Kaltenbäck, M., & Woracek, H. (2004). Über de Branges-Hilberträume ganzer Funktionen. Seminar aus Schuranalysis, Leipzig, Leipzig, Austria. http://hdl.handle.net/20.500.12708/116912 ( reposiTUm)

Woracek, H. (2004). DeBranges spaces of entire functions symmetric about the origin. 4th workshop Oper.Th. in Krein Spaces and Appl., TU Berlin, Austria. http://hdl.handle.net/20.500.12708/116911 ( reposiTUm)

Woracek, H. (2004). Canonical systems in the indefinite setting. IWOTA 2004, Newcastle upon Tyne, UK, Austria. http://hdl.handle.net/20.500.12708/116910 ( reposiTUm)

Woracek, H. (2003). An indefinite analogue of the Stieltjes class. 2nd Workshop Operator Theory in Krein Spaces and Applications, TU Berlin, Austria. http://hdl.handle.net/20.500.12708/116488 ( reposiTUm)

Woracek, H. (2003). Hermite-Biehler functions with zeros in an angle. Workshop Operator Th -Gohberg, Amsterdam, Austria. http://hdl.handle.net/20.500.12708/116487 ( reposiTUm)

Woracek, H. (2003). s-numbers of difference quotient operators. IWOTA 2003 Cagliari, Cagliari, Italien, Austria. http://hdl.handle.net/20.500.12708/116486 ( reposiTUm)

Woracek, H. (2002). De Branges spaces subject to growth conditions. 19th Intern.Conf. on Operator Theory, Temesvar, Temesvar, Rumänien, Austria. http://hdl.handle.net/20.500.12708/115902 ( reposiTUm)

Woracek, H. (2001). A charcterization of intermediate Weyl coefficients. Int. Conf.on Complex Analysis and Related, Topics, IX Romanian Finnish Seminar, Brasov, Rumänien, Austria. http://hdl.handle.net/20.500.12708/115901 ( reposiTUm)

Woracek, H. (2000). On singularities of matrix chains. 18th Int.Conf.on Operator Theory, Timisoara, Timisoara, Austria. http://hdl.handle.net/20.500.12708/116489 ( reposiTUm)

Woracek, H. (2000). An indefinite generalization of a canonical system of differential equations. IWOTA 2000-Portugal, Faro, Austria. http://hdl.handle.net/20.500.12708/116490 ( reposiTUm)

Pruckner, R., & Woracek, H. (2019). Limit behaviour of Nevanlinna functions (ASC Report 16/2019; pp. 1–29). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/30855 ( reposiTUm)

Romanov, R., & Woracek, H. (2019). Canonical systems with discrete spectrum (ASC Report 04/2019; pp. 1–33). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/30843 ( reposiTUm)

de Snoo, H. S. V., & Woracek, H. (2017). The Krein formula in almost Pontryagin spaces. A proof via orthogonal coupling. (ASC Report 15/2017; pp. 1–16). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/29442 ( reposiTUm)

Sokolova, A., & Woracek, H. (2017). Termination in Convex Sets of Distributions (ASC Report 08/2017; pp. 1–25). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/29388 ( reposiTUm)

Sokolova, A., & Woracek, H. (2017). Proper semirings and proper convex functors (ASC Report 22/2017; pp. 1–32). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/30792 ( reposiTUm)

Woracek, H. (2016). Directing functionals and de Branges space completions in almost Pontryagin spaces (ASC Report 19/2016; pp. 1–51). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/29135 ( reposiTUm)

de Snoo, H. S. V., & Woracek, H. (2016). Compressed resolvents, Q-functions and h0-resolvents in almost Pontryagin spaces (ASC Report 24/2016; pp. 1–59). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/29171 ( reposiTUm)

Pruckner, R., & Woracek, H. (2016). Estimates for order of Nevanlinna matrices and a Berezanskii-type theorem (ASC Report 21/2016; pp. 1–27). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/29164 ( reposiTUm)

Baranov, A., & Woracek, H. (2016). Stability of order and type under perturbation of the spectral measure (ASC Report 27/2016; pp. 1–71). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/29201 ( reposiTUm)

Pruckner, R., Romanov, R., & Woracek, H. (2015). Bounds on order of indeterminate moment sequences (ASC Report 38/2015; pp. 1–26). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/29132 ( reposiTUm)

de Snoo, H. S. V., & Woracek, H. (2015). Restriction and factorization for isometric and symmetric operators in almost Pontryagin spaces (ASC Report 05/2015; pp. 1–43). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/28602 ( reposiTUm)

Langer, M., & Woracek, H. (2015). Direct and inverse spectral theorems for a class of canonical systems with two singular endpoints (ASC Report 18/2015; pp. 1–85). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/28646 ( reposiTUm)

Woracek, H. (2014). Reproducing kernel almost Pontryagin spaces (ASC Report 14/2014; pp. 1–40). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/28271 ( reposiTUm)

Woracek, H. (2014). Perturbation of chains of de Branges spaces (ASC Report 42/2014; pp. 1–32). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/28446 ( reposiTUm)

Woracek, H. (2014). De Branges spaces and growth aspects (ASC Report 03/2014; pp. 1–30). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/28218 ( reposiTUm)

Langer, M., & Woracek, H. (2013). Stability of N-extremal measures (ASC Report 05/2013; pp. 1–8). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/27881 ( reposiTUm)

Langer, M., & Woracek, H. (2013). Distributional representations of ${\mathcal N}_{\kappa}^{(infty)}$-functions (ASC Report 17/2013; pp. 1–28). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/27956 ( reposiTUm)

Woracek, H. (2013). Entries of indefinite Nevanlinna matrices (ASC Report 10/2013; pp. 1–31). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/27896 ( reposiTUm)

Langer, M., & Woracek, H. (2012). Stability of the derivative of a canonical product (ASC Report 38/2012; pp. 1–38). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/27449 ( reposiTUm)

Sokolova, A., & Woracek, H. (2012). Congruences of Convex Algebras (ASC Report 39/2012; pp. 1–43). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/27664 ( reposiTUm)

Simonov, S., & Woracek, H. (2012). Spectral multiplicity of selfadjoint Schrödinger operators on star-graphs with standard interface conditions (ASC Report 40/2012; pp. 1–52). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/27682 ( reposiTUm)

Winkler, H., & Woracek, H. (2012). A growth condition for Hamiltonian systems related with Krein strings (ASC Report 12/2012; pp. 1–61). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/27575 ( reposiTUm)

Woracek, H. (2012). Asymptotics of eigenvalues for a class of singular Krein strings (ASC Report 13/2012; pp. 1–12). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/27576 ( reposiTUm)

Langer, M., & Woracek, H. (2012). Indefinite Hamiltonian systems whose Titchmarsh-Weyl coefficients have no finite generalized poles of non-negative type (ASC Report 04/2012; pp. 1–73). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/27530 ( reposiTUm)

Baranov, A., & Woracek, H. (2012). De Branges’ theorem on approximation problems of Bernstein type (ASC Report 29/2012; pp. 1–20). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/27599 ( reposiTUm)

Winkler, H., & Woracek, H. (2012). Symmetry in de Branges almost Pontryagin spaces (ASC Report 33/2012; pp. 1–33). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/27654 ( reposiTUm)

Winkler, H., & Woracek, H. (2011). Reparametrizations of non trace-normed Hamiltonians (ASC Report 08/2011). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/27136 ( reposiTUm)

de Snoo, H. S. V., & Woracek, H. (2011). Sums, couplings, and completions of almost Pontryagin spaces (ASC Report 03/2011). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/27117 ( reposiTUm)

Woracek, H. (2010). An addendum to M.G.~Krein’s inverse spectral theorem for strings (ASC Report 29/2010). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/26974 ( reposiTUm)

Langer, M., & Woracek, H. (2010). The exponential type of the fundamental solution of an indefinite Hamiltonian system (ASC Report 30/2010). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/26975 ( reposiTUm)

Pivovarchik, V., & Woracek, H. (2010). Eigenvalue Asymptotics for a Star-Graph Damped Vibrations Problem (ASC Report 20/2010). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/26868 ( reposiTUm)

Kaltenbäck, M., & Woracek, H. (2009). Pontryagin spaces of entire functions V (ASC Report 21/2009). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/26432 ( reposiTUm)

Kaltenbäck, M., & Woracek, H. (2009). Pontryagin spaces of entire functions VI (ASC Report 22/2009). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/26433 ( reposiTUm)

Baranov, A., & Woracek, H. (2009). Majorization in de Brange spaces I. Representation of subspaces (ASC Report 12/2009). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/26379 ( reposiTUm)

Baranov, A., & Woracek, H. (2009). Majorization in de Brange spaces II. Banach spaces generated by majorants (ASC Report 13/2009). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/26380 ( reposiTUm)

Baranov, A., & Woracek, H. (2009). Majorization in de Branges spaces III. division by Blaschke products (ASC Report 38/2009). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/26464 ( reposiTUm)

Langer, M., & Woracek, H. (2009). A local inverse spectral theorem for Hamiltonian systems (ASC Report 43/2009). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/26501 ( reposiTUm)

Langer, M., & Woracek, H. (2009). A function space model for canonical systems with an inner singularity (ASC Report 30/2009). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/26450 ( reposiTUm)

Pivovarchik, V., & Woracek, H. (2008). Sums of Nevanlinna functions and differential equations on star-shaped graphs (ASC Report 17/2008). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/26076 ( reposiTUm)

Langer, M., & Woracek, H. (2008). Dependence of the Weyl coefficient on singular interface conditions (ASC Report 03/2008). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/25152 ( reposiTUm)

Pivovarchik, V., & Woracek, H. (2007). Shifted Hermite-Biehler functions and their applications (ASC Report 29/2007). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/25141 ( reposiTUm)

Winkler, H., & Woracek, H. (2007). On semibounded canonical systems (ASC Report 27/2007). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/25139 ( reposiTUm)

Kaltenbäck, M., & Woracek, H. (2007). Canonical differential equations of Hilbert-Schmidt type (ASC Report 28/2007). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/25140 ( reposiTUm)

Baranov, A., & Woracek, H. (2007). Finite-dimensional de Branges subspaces generated by majorants (ASC Report 31/2007). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/25143 ( reposiTUm)

Baranov, A., & Woracek, H. (2007). Admissible majorants for de Branges spaces of entire functions (ASC Report 30/2007). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/25142 ( reposiTUm)

Pivovarchik, V., & Woracek, H. (2007). The square-transform of Hermite-Biehler functions. A geometric approach (ASC Report 33/2007). Institute of Analysis and Scientific Computing, TU Wien. http://hdl.handle.net/20.500.12708/25154 ( reposiTUm)