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Modeling–Analysis–Optimization of discrete, continuous, and stochastic systems

Modeling–Analysis–Optimization of discrete, continuous, and stochastic systems

Michaela Szölgyenyi (ORCID: 0000-0003-2987-2251)
  • Grant DOI 10.55776/DOC78
  • Funding program doc.funds
  • Status ended
  • Start October 1, 2020
  • End September 30, 2025
  • Funding amount € 1,786,050

Disciplines

Mathematics (100%)

Keywords

    Analysis Of Stochastic Systems, Optimization: Combinatorial, Nonlinear, Stochastic, Regularization And Parameter Identification, Discrete Structures: Optimization And Analysis, Dynamical Systems: Qualitative/Numerical Analysis, Bayesian spatio-temporal pr

Abstract Final report

Optimization problems accompany us all the time in our every-day life. For example supermarkets guarantee the supply by optimizing the route of transportation of their goods, electricity providers optimize the supply with electricity, and highways are built in a way such that cars produce as little noise as possible. For this, discrete, stochastic, which means influenced by randomness, and continuous mathematical models are used, which need to be analyzed. In order to solve such problems, it is often essential to have a multi-perspective view and combine the knowledge of several mathematical sub-disciplines to create synergies. In crossing these borders lies a great innovative potential. It is the aim of the doc.funds doctoral school and its nine professors from the Departments of Mathematics and Statistics at the University of Klagenfurt to provide PhD students with the mathematical knowledge necessary for understanding and solving challenging mathematical questions, coming from optimization problems in every-day life.

Over its five-year funding period from 2020 to 2025, the FWF doc.funds doctoral school Modeling - Analysis - Optimization of discrete, continuous, and stochastic systems delivered structured doctoral training in mathematics with an international orientation and strong research mobility. In total, 15 doctoral positions were supported through the programme. By the end of the funding period, 11 doctoral candidates successfully completed their PhD degrees, among them a recipient of the national Award of Excellence 2023 for their dissertation. Nine of the graduates are women, reflecting the programme's strong contribution to promoting gender balance in mathematics. Four doctoral candidates entered the programme at a later stage and are now continuing their research under thematically aligned funding arrangements. A central element of the doctoral school was its multi-faceted and internationally oriented supervision model, ensuring strong academic guidance while also supporting broader professional development. Each doctoral candidate received support from two supervisors and benefited from an international mentor acting as a research collaborator, together with a local mentor serving as a professional role model. International mobility was a core component of the programme. All doctoral candidates spent funded research periods abroad, ranging from short-term visits to longer research stays, to strengthen their scientific profiles and build international collaboration. As a result, the programme helped integrate doctoral research into international networks and supported collaborative projects across partner institutions. Beyond individual research projects, the doctoral school placed strong emphasis on scientific exchange and community building. A doctoral retreat was held in 2021 to foster communication and collaboration across different mathematical subdisciplines. The doctoral school ran two summer schools with international lecturers and participants: a summer school on aspects of optimization in 2022 and a summer school on inverse problems in 2023. The programme also offered dedicated professional development workshops to support career readiness. Graduates of the programme have pursued careers in academia and industry both nationally and internationally, demonstrating the broad range of opportunities supported by the training.

Consortium
  • Angelika Wiegele, Universität Klagenfurt
    consortium member (01.10.2020 - 30.09.2025)
  • Barbara Kaltenbacher, Universität Klagenfurt
    consortium member (01.10.2020 - 30.09.2025)
  • Christian Pötzsche, Universität Klagenfurt
    consortium member (01.10.2020 - 30.09.2025)
  • Clemens Heuberger, Universität Klagenfurt
    consortium member (01.10.2020 - 30.09.2025)
  • Elena Resmerita, Universität Klagenfurt
    consortium member (01.10.2020 - 30.09.2025)
  • Franz Rendl, Universität Klagenfurt
    consortium member (01.10.2020 - 30.09.2025)
  • Gunter Spöck, Universität Klagenfurt
    consortium member (01.10.2020 - 30.09.2025)
  • Michaela Szölgyenyi, Universität Klagenfurt
    consortium member (01.10.2020 - 30.09.2025)
  • Philipp Hungerländer, Universität Klagenfurt
    consortium member (01.10.2020 - 30.09.2025)
Research institution(s)
  • Universität Klagenfurt
Project participants
  • Manfred Kaltenbacher, Technische Universität Graz , national collaboration partner
  • Stephan Weiss, Universität Klagenfurt , national collaboration partner
  • Roswitha Rissner, Universität Klagenfurt , national collaboration partner
  • Reinhard Neck, Universität Klagenfurt , national collaboration partner
  • Paul Schweinzer, Universität Klagenfurt , national collaboration partner
  • Jürgen Pilz, Universität Klagenfurt , national collaboration partner
  • Friederike Wall, Universität Klagenfurt , national collaboration partner
  • Hubert Zangl, Universität Klagenfurt , national collaboration partner
  • Abel Garab, Universität Klagenfurt , national collaboration partner
  • Andrea M. Tonello, Universität Klagenfurt , national collaboration partner
  • Andrei Asinowski, Universität Klagenfurt , national collaboration partner
International project participants
  • Peter E. Kloeden, Johann Wolfgang Goethe Universität Frankfurt am Main - Germany
  • Ekaterina Kostina, Ruprecht-Karls-Universität Heidelberg - Germany
  • Jan Hasenauer, Universität Bonn - Germany
  • Dirk Lorenz, Universität Bremen - Germany
  • Volker Kaibel, Universität Magdeburg - Germany
  • Larisa Yaroslavtseva, Universität Passau - Germany
  • Dionissios Hristopulos, Technical University of Crete - Greece
  • Stephan Wagner, University of Stellenbosch - South Africa
  • Martin Rasmussen, Imperial College London
  • Carola Bibiane Schönlieb, University of Cambridge

Research Output

  • 135 Citations
  • 116 Publications
  • 22 Software
  • 18 Disseminations
  • 5 Scientific Awards
  • 27 Fundings
Publications
  • 2025
    Title Smooth linearization of contractive random dynamical systems in continuous time
    DOI 10.14232/ejqtde.2025.1.53
    Type Journal Article
    Author Vasylieva I
    Journal Electronic Journal of Qualitative Theory of Differential Equations
  • 2025
    Title Morse Decomposition for Semi-Dynamical Systems with an Application to Systems of State-Dependent Delay Differential Equations
    DOI 10.1007/s10884-025-10464-0
    Type Journal Article
    Author Balázs I
    Journal Journal of Dynamics and Differential Equations
  • 2025
    Title Applications of Multiscale Hierarchical Decomposition to Blind Deconvolution
    DOI 10.1137/24m1692812
    Type Journal Article
    Author Kindermann S
    Journal Multiscale Modeling & Simulation
  • 2025
    Title Higher order error estimates for regularization of inverse problems under non-additive noise
    DOI 10.1088/1361-6420/add36b
    Type Journal Article
    Author Mirciu D
    Journal Inverse Problems
  • 2025
    Title Linearization of random dynamical systems in infinite dimensions
    Type PhD Thesis
    Author Vasilieva, Iryna
    Link Publication
  • 2025
    Title On the Asymptotic Structure of Powers of Monomial Ideals
    Type PhD Thesis
    Author Rath, Jutta
    Link Publication
  • 2025
    Title Imaging with Nonlinear Ultrasound Waves: Modeling, Analysis and Numerics
    Type PhD Thesis
    Author Rauscher, Teresa
    Link Publication
  • 2025
    Title Parameter identification from optimized measurements, with applications in acoustics
    Type PhD Thesis
    Author Huynh, Phuoc Truong
    Link Publication
  • 2025
    Title From linear orderings to infinite trees: semidefinite programming for combinatorial optimization and extremal combinatorics
    Type PhD Thesis
    Author Puges, Diane
    Link Publication
  • 2025
    Title Iterative decomposition methods for ill-posed problems
    Type PhD Thesis
    Author Wolf, Tobias
    Link Publication
  • 2025
    Title Quantum computing and the stable set problem
    DOI 10.1080/10556788.2025.2490639
    Type Journal Article
    Author Krpan A
    Journal Optimization Methods and Software
  • 2025
    Title Getting to the root of the problem: sums of squares for limits of trees
    DOI 10.1007/s10107-025-02305-1
    Type Journal Article
    Author Daniel Brosch
    Journal Mathematical Programming
  • 2025
    Title Compactness of Green operators with applications to semilinear nonlocal elliptic equations
    DOI 10.1016/j.jde.2024.11.019
    Type Journal Article
    Author Huynh P
    Journal Journal of Differential Equations
  • 2026
    Title The exact subgraph hierarchy and its vertex-transitive variant for the stable set problem for Paley graphs
    DOI 10.1016/j.dam.2025.09.014
    Type Journal Article
    Author Gaar E
    Journal Discrete Applied Mathematics
  • 2026
    Title Minimal generating sets of large powers of bivariate monomial ideals
    DOI 10.1016/j.jsc.2026.102554
    Type Journal Article
    Author Rath J
    Journal Journal of Symbolic Computation
  • 2026
    Title Edge expansion of a graph: SDP-based computational strategies
    DOI 10.1007/s12532-025-00297-9
    Type Journal Article
    Author Gupte A
    Journal Mathematical Programming Computation
  • 2025
    Title Nested Bregman Iterations for Decomposition Problems
    DOI 10.1137/25m173123x
    Type Journal Article
    Author Driggs D
    Journal SIAM Journal on Imaging Sciences
  • 2025
    Title Spanning and splitting: Integer semidefinite programming for the quadratic minimum spanning tree problem
    DOI 10.1016/j.ejor.2025.10.051
    Type Journal Article
    Author Siebenhofer M
    Journal European Journal of Operational Research
  • 2025
    Title C m - linearization of discrete random dynamical systems
    DOI 10.1080/10236198.2025.2603382
    Type Journal Article
    Author Vasylieva I
    Journal Journal of Difference Equations and Applications
  • 2025
    Title Mathematical Models for Nonlinear Ultrasound Contrast Imaging with Microbubbles
    DOI 10.1137/24m1691235
    Type Journal Article
    Author Nikolić V
    Journal SIAM Journal on Applied Mathematics
  • 2024
    Title Limiting behavior of quasilinear wave equations with fractional-type dissipation
    DOI 10.1515/ans-2023-0139
    Type Journal Article
    Author Kaltenbacher B
    Journal Advanced Nonlinear Studies
  • 2024
    Title Convergence guarantees for coefficient reconstruction in PDEs from boundary measurements by variational and Newton-type methods via range invariance
    DOI 10.1093/imanum/drad044
    Type Journal Article
    Author Kaltenbacher B
    Journal IMA Journal of Numerical Analysis
  • 2024
    Title Randomized Milstein algorithm for approximation of solutions of jump-diffusion SDEs
    DOI 10.1016/j.cam.2023.115631
    Type Journal Article
    Author Przybyłowicz P
    Journal Journal of Computational and Applied Mathematics
  • 2024
    Title Towards optimal sensor placement for inverse problems in spaces of measures
    DOI 10.1088/1361-6420/ad2cf8
    Type Journal Article
    Author Huynh P
    Journal Inverse Problems
  • 2024
    Title Simultaneous Reconstruction of Speed of Sound and Nonlinearity Parameter in a Paraxial Model of Vibro-Acoustography in Frequency Domain
    DOI 10.1515/cmam-2023-0076
    Type Journal Article
    Author Kaltenbacher B
    Journal Computational Methods in Applied Mathematics
  • 2024
    Title A higher-order approximation method for jump-diffusion SDEs with a discontinuous drift coefficient
    DOI 10.1016/j.jmaa.2024.128319
    Type Journal Article
    Author Przybyłowicz P
    Journal Journal of Mathematical Analysis and Applications
  • 2024
    Title Sum-of-squares certificates for Vizing's conjecture via determining Gröbner bases
    DOI 10.1016/j.jsc.2023.102236
    Type Journal Article
    Author Gaar E
    Journal Journal of Symbolic Computation
  • 2024
    Title A note on the relation between recognisable series and regular sequences, and their minimal linear representations
    DOI 10.1016/j.jsc.2023.102295
    Type Journal Article
    Author Heuberger C
    Journal Journal of Symbolic Computation
  • 2024
    Title The vanishing relaxation time behavior of multi-term nonlocal Jordan-Moore-Gibson-Thompson equations
    DOI 10.1016/j.nonrwa.2023.103991
    Type Journal Article
    Author Kaltenbacher B
    Journal Nonlinear Analysis: Real World Applications
  • 2024
    Title Partial Stabilization of Nonlinear Systems along a Given Trajectory
    DOI 10.23919/ecc64448.2024.10590790
    Type Conference Proceeding Abstract
    Author Grushkovska V
    Pages 1954-1959
  • 2024
    Title Convergence of the Tamed-Euler-Maruyama Method forSDEs withDiscontinuous andPolynomially Growing Drift; In: Monte Carlo and Quasi-Monte Carlo Methods - MCQMC 2022, Linz, Austria, July 17-22
    DOI 10.1007/978-3-031-59762-6_30
    Type Book Chapter
    Publisher Springer International Publishing
  • 2024
    Title Computing theEdge Expansion ofaGraph Using Semidefinite Programming; In: Combinatorial Optimization - 8th International Symposium, ISCO 2024, La Laguna, Tenerife, Spain, May 22-24, 2024, Revised Selected Papers
    DOI 10.1007/978-3-031-60924-4_9
    Type Book Chapter
    Publisher Springer Nature Switzerland
  • 2020
    Title Down-step statistics in generalized Dyck paths
    DOI 10.48550/arxiv.2007.15562
    Type Preprint
    Author Asinowski A
  • 2020
    Title Existence and uniqueness of solutions of SDEs with discontinuous drift and finite activity jumps
    DOI 10.48550/arxiv.2010.01955
    Type Preprint
    Author Przybylowicz P
  • 2024
    Title Lower error bounds and optimality of approximation for jump-diffusion SDEs with discontinuous drift.
    DOI 10.1007/s10543-024-01036-7
    Type Journal Article
    Author Przybyłowicz P
    Journal BIT. Numerical mathematics
    Pages 35
  • 2024
    Title A provably good connection: spanning trees, edge expansion, and semidefinite programming
    Type PhD Thesis
    Author Siebenhofer, Melanie
    Link Publication
  • 2024
    Title On Numerical Methods for Stochastic Differential Equations
    Type PhD Thesis
    Author Spendier, Kathrin
  • 2024
    Title Higher-order approximation of jump-diffusion stochastic differential equations
    Type PhD Thesis
    Author Schwarz, Verena
    Link Publication
  • 2024
    Title Adaptive tempering techniques combining selective complementary filters in context of data assimilation for high-dimensional nonlinear systems
    Type PhD Thesis
    Author Rammelmüller, Iris
    Link Publication
  • 2022
    Title On the inverse problem of vibro-acoustography
    DOI 10.1007/s11012-022-01485-w
    Type Journal Article
    Author Kaltenbacher B
    Journal Meccanica
    Pages 1061-1072
    Link Publication
  • 2022
    Title Split absolutely irreducible integer-valued polynomials over discrete valuation domains
    DOI 10.1016/j.jalgebra.2022.03.006
    Type Journal Article
    Author Frisch S
    Journal Journal of Algebra
    Pages 247-277
    Link Publication
  • 2022
    Title An SDP-based approach for computing the stability number of a graph
    DOI 10.1007/s00186-022-00773-1
    Type Journal Article
    Author Gaar E
    Journal Mathematical Methods of Operations Research
    Pages 141-161
    Link Publication
  • 2022
    Title Parabolic Approximation of Quasilinear Wave Equations with Applications in Nonlinear Acoustics
    DOI 10.1137/20m1380430
    Type Journal Article
    Author Kaltenbacher B
    Journal SIAM Journal on Mathematical Analysis
    Pages 1593-1622
    Link Publication
  • 2022
    Title Fractional time stepping and adjoint based gradient computation in an inverse problem for a fractionally damped wave equation
    DOI 10.1016/j.jcp.2021.110789
    Type Journal Article
    Author Kaltenbacher B
    Journal Journal of Computational Physics
    Pages 110789
    Link Publication
  • 2022
    Title A Note on the Relation between Recognisable Series and Regular Sequences, and their Minimal Linear Representations
    DOI 10.48550/arxiv.2201.13446
    Type Preprint
    Author Heuberger C
  • 2022
    Title A Skorohod measurable universal functional representation of solutions to semimartingale SDEs
    DOI 10.48550/arxiv.2201.06278
    Type Preprint
    Author Przybylowicz P
  • 2022
    Title Determining kernels in linear viscoelasticity
    DOI 10.1016/j.jcp.2022.111331
    Type Journal Article
    Author Kaltenbacher B
    Journal Journal of Computational Physics
    Pages 111331
    Link Publication
  • 2022
    Title Down-step statistics in generalized Dyck paths
    DOI 10.46298/dmtcs.7163
    Type Journal Article
    Author Selkirk S
    Journal Discrete Mathematics & Theoretical Computer Science
    Link Publication
  • 2022
    Title Enumeration of Generalized Dyck Paths Based on the Height of Down-Steps Modulo $k$
    DOI 10.48550/arxiv.2204.14023
    Type Preprint
    Author Heuberger C
  • 2022
    Title Determining damping terms in fractional wave equations
    DOI 10.1088/1361-6420/ac6b31
    Type Journal Article
    Author Kaltenbacher B
    Journal Inverse Problems
    Pages 075004
    Link Publication
  • 2022
    Title Time-fractional Moore–Gibson–Thompson equations
    DOI 10.1142/s0218202522500221
    Type Journal Article
    Author Kaltenbacher B
    Journal Mathematical Models and Methods in Applied Sciences
    Pages 965-1013
    Link Publication
  • 2021
    Title Determining damping terms in fractional wave equations
    DOI 10.48550/arxiv.2112.00080
    Type Preprint
    Author Kaltenbacher B
  • 2021
    Title Iterative regularization for constrained minimization formulations of nonlinear inverse problems
    DOI 10.1007/s10589-021-00343-x
    Type Journal Article
    Author Kaltenbacher B
    Journal Computational Optimization and Applications
    Pages 569-611
    Link Publication
  • 2021
    Title Determining the nonlinearity in an acoustic wave equation
    DOI 10.1002/mma.8001
    Type Journal Article
    Author Kaltenbacher B
    Journal Mathematical Methods in the Applied Sciences
    Pages 3554-3573
    Link Publication
  • 2021
    Title Sum-of-Squares Certificates for Vizing's Conjecture via Determining Gröbner Bases
    DOI 10.48550/arxiv.2112.04007
    Type Preprint
    Author Gaar E
  • 2020
    Title Parabolic approximation of quasilinear wave equations with applications in nonlinear acoustics
    DOI 10.48550/arxiv.2011.07360
    Type Preprint
    Author Kaltenbacher B
  • 2020
    Title A model reference adaptive system approach for nonlinear online parameter identification
    DOI 10.48550/arxiv.2012.09908
    Type Preprint
    Author Kaltenbacher B
  • 2023
    Title The Kuznetsov and Blackstock equations of nonlinear acoustics with nonlocal-in-time dissipation
    DOI 10.48550/arxiv.2308.10580
    Type Preprint
    Author Kaltenbacher B
    Link Publication
  • 2023
    Title The distribution of the maximum protection number in simply generated trees
    DOI 10.48550/arxiv.2305.09427
    Type Other
    Author Heuberger C
    Link Publication
  • 2023
    Title Towards optimal sensor placement for inverse problems in spaces of measures
    DOI 10.48550/arxiv.2308.01055
    Type Other
    Author Huynh P
    Link Publication
  • 2023
    Title Advancing stable set problem solutions through quantum annealers
    DOI 10.48550/arxiv.2308.13041
    Type Preprint
    Author Povh J
    Link Publication
  • 2023
    Title Characterizing absolutely irreducible integer-valued polynomials over discrete valuation domains
    DOI 10.60692/6qqxf-kyh02
    Type Other
    Author Moritz Hiebler
    Link Publication
  • 2023
    Title Characterizing absolutely irreducible integer-valued polynomials over discrete valuation domains
    DOI 10.60692/4zy52-kz520
    Type Other
    Author Moritz Hiebler
    Link Publication
  • 2023
    Title The vanishing relaxation time behavior of multi-term nonlocal Jordan-Moore-Gibson-Thompson equations
    DOI 10.48550/arxiv.2302.06196
    Type Preprint
    Author Kaltenbacher B
    Link Publication
  • 2022
    Title Convergence guarantees for coefficient reconstruction in PDEs from boundary measurements by variational and Newton type methods via range invariance
    DOI 10.48550/arxiv.2209.12596
    Type Preprint
    Author Kaltenbacher B
  • 2022
    Title Limiting behavior of quasilinear wave equations with fractional-type dissipation
    DOI 10.48550/arxiv.2206.15245
    Type Preprint
    Author Kaltenbacher B
  • 2022
    Title Discretization of parameter identification in PDEs using neural networks
    DOI 10.1088/1361-6420/ac9c25
    Type Journal Article
    Author Kaltenbacher B
    Journal Inverse Problems
    Pages 124007
    Link Publication
  • 2022
    Title Compactness of Green operators with applications to semilinear nonlocal elliptic equations
    DOI 10.48550/arxiv.2209.06502
    Type Preprint
    Author Huynh P
  • 2024
    Title The Kuznetsov and Blackstock Equations of Nonlinear Acoustics with Nonlocal-in-Time Dissipation
    DOI 10.1007/s00245-024-10130-9
    Type Journal Article
    Author Kaltenbacher B
    Journal Applied Mathematics & Optimization
  • 2024
    Title Fluctuations in depth and associated primes of powers of ideals
    DOI 10.4310/arkiv.2024.v62.n1.a10
    Type Journal Article
    Author Rissner R
    Journal Arkiv för Matematik
  • 2024
    Title The distribution of the maximum protection number in simply generated trees
    DOI 10.1017/s0963548324000099
    Type Journal Article
    Author Heuberger C
    Journal Combinatorics, Probability and Computing
  • 2024
    Title Strong SDP based bounds on the cutwidth of a graph
    DOI 10.1016/j.cor.2023.106449
    Type Journal Article
    Author Gaar E
    Journal Computers & Operations Research
  • 2023
    Title Characterizing absolutely irreducible integer-valued polynomials over discrete valuation domains
    DOI 10.1016/j.jalgebra.2023.06.026
    Type Journal Article
    Author Hiebler M
    Journal Journal of Algebra
  • 2023
    Title Stable-set and coloring bounds based on 0-1 quadratic optimization
    DOI 10.23952/asvao.5.2023.2.08
    Type Journal Article
    Author Dunja Pucher
    Journal Applied Set-Valued Analysis and Optimization
  • 2022
    Title Convergence of the tamed-Euler-Maruyama method for SDEs with discontinuous and polynomially growing drift
    DOI 10.48550/arxiv.2212.08839
    Type Preprint
    Author Spendier K
  • 2022
    Title A higher order approximation method for jump-diffusion SDEs with discontinuous drift coefficient
    DOI 10.48550/arxiv.2211.08739
    Type Preprint
    Author Przybylowicz P
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    Title Wind profiles for WKB Prandtl models based on slope and free air flow
    DOI 10.48550/arxiv.2211.08832
    Type Preprint
    Author Arbeiter M
  • 2022
    Title Randomized Milstein algorithm for approximation of solutions of jump-diffusion SDEs
    DOI 10.48550/arxiv.2212.00411
    Type Preprint
    Author Przybylowicz P
  • 2022
    Title Characterizing absolutely irreducible integer-valued polynomials over discrete valuation domains
    DOI 10.48550/arxiv.2211.15981
    Type Preprint
    Author Hiebler M
  • 2022
    Title Stable-Set and Coloring bounds based on 0-1 quadratic optimization
    DOI 10.48550/arxiv.2211.13147
    Type Preprint
    Author Pucher D
  • 2021
    Title Split absolutely irreducible integer-valued polynomials over discrete valuation domains
    DOI 10.48550/arxiv.2107.14276
    Type Preprint
    Author Frisch S
  • 2021
    Title On an inverse problem of nonlinear imaging with fractional damping
    DOI 10.1090/mcom/3683
    Type Journal Article
    Author Kaltenbacher B
    Journal Mathematics of Computation
    Pages 245-276
    Link Publication
  • 2021
    Title On uniqueness and reconstruction of a nonlinear diffusion term in a parabolic equation
    DOI 10.48550/arxiv.2101.06696
    Type Preprint
    Author Kaltenbacher B
  • 2021
    Title All-at-once formulation meets the Bayesian approach: A study of two prototypical linear inverse problems
    DOI 10.48550/arxiv.2101.05577
    Type Preprint
    Author Schlintl A
  • 2021
    Title On the identification of the nonlinearity parameter in the Westervelt equation from boundary measurements
    DOI 10.3934/ipi.2021020
    Type Journal Article
    Author Kaltenbacher B
    Journal Inverse Problems and Imaging
    Pages 865-891
    Link Publication
  • 2021
    Title On uniqueness and reconstruction of a nonlinear diffusion term in a parabolic equation
    DOI 10.1016/j.jmaa.2021.125145
    Type Journal Article
    Author Kaltenbacher B
    Journal Journal of Mathematical Analysis and Applications
    Pages 125145
    Link Publication
  • 2021
    Title Time-fractional Moore-Gibson-Thompson equations
    DOI 10.48550/arxiv.2104.13967
    Type Preprint
    Author Kaltenbacher B
  • 2021
    Title Stochastic differential equations with irregular coefficients:~mind the gap!
    DOI 10.48550/arxiv.2104.11505
    Type Preprint
    Author Szölgyenyi M
  • 2021
    Title A model reference adaptive system approach for nonlinear online parameter identification
    DOI 10.1088/1361-6420/abf164
    Type Journal Article
    Author Kaltenbacher B
    Journal Inverse Problems
    Pages 055006
    Link Publication
  • 2021
    Title Fractional time stepping and adjoint based gradient computation in an inverse problem for a fractionally damped wave equation
    DOI 10.48550/arxiv.2104.05577
    Type Preprint
    Author Kaltenbacher B
  • 2021
    Title Iterative regularization for constrained minimization formulations of nonlinear inverse problems
    DOI 10.48550/arxiv.2101.05482
    Type Preprint
    Author Kaltenbacher B
    Link Publication
  • 2021
    Title The inviscid limit of third-order linear and nonlinear acoustic equations
    DOI 10.48550/arxiv.2101.05488
    Type Preprint
    Author Kaltenbacher B
    Link Publication
  • 2023
    Title A Note on the Relation between Recognisable Series and Regular Sequences, and Their Minimal Linear Representations
    DOI 10.2139/ssrn.4580611
    Type Preprint
    Author Heuberger C
  • 2023
    Title Multiscale hierarchical decomposition methods for ill-posed problems
    DOI 10.1088/1361-6420/ad05de
    Type Journal Article
    Author Kindermann S
    Journal Inverse Problems
  • 2023
    Title Statistics in Lattice Paths and Tree-like Structures
    Type PhD Thesis
    Author Selkirk, Sarah
    Link Publication
  • 2023
    Title From Kreweras to Gessel: A walk through patterns in the quarter plane
    Type Conference Proceeding Abstract
    Author Asinowski A
    Conference 35th International Conference on "Formal Power Series and Algebraic Combinatorics"
    Link Publication
  • 2023
    Title Advancing Stable Set Problem Solutions through Quantum Annealers
    Type Conference Proceeding Abstract
    Author Povh J
    Conference 17th International Symposium on OPERATIONAL RESEARCH in Slovenia, SOR '23
    Pages 200 - 205
    Link Publication
  • 2023
    Title Stable-set and coloring bounds based on 0-1 quadratic optimization
    Type Journal Article
    Author Pucher D
    Journal Applied Set-Valued Analysis and Optimization
    Pages 233 - 251
    Link Publication
  • 2023
    Title Partial stabilization of nonlinear systems along a given trajectory
    DOI 10.48550/arxiv.2311.04476
    Type Other
    Author Grushkovskaya V
    Link Publication
  • 2023
    Title Multiscale hierarchical decomposition methods for images corrupted by multiplicative noise
    DOI 10.48550/arxiv.2310.06195
    Type Preprint
    Author Barnett J
    Link Publication
  • 2023
    Title Multiscale hierarchical decomposition methods for ill-posed problems
    DOI 10.48550/arxiv.2304.08332
    Type Preprint
    Author Kindermann S
    Link Publication
  • 2023
    Title Lower error bounds and optimality of approximation for jump-diffusion SDEs with discontinuous drift
    DOI 10.48550/arxiv.2303.05945
    Type Preprint
    Author Przybyłowicz P
    Link Publication
  • 2023
    Title Strong SDP based bounds on the cutwidth of a graph
    DOI 10.48550/arxiv.2301.03900
    Type Other
    Author Gaar E
    Link Publication
  • 2023
    Title Enumeration of Generalized Dyck Paths Based on the Height of Down-Steps Modulo $k$
    DOI 10.37236/11218
    Type Journal Article
    Author Heuberger C
    Journal The Electronic Journal of Combinatorics
  • 2023
    Title A paraxial approach for the inverse problem of vibro-acoustic imaging in frequency domain
    DOI 10.48550/arxiv.2310.03367
    Type Preprint
    Author Rauscher T
    Link Publication
  • 2023
    Title Stabilization of associated prime ideals of monomial ideals -- Bounding the copersistence index
    DOI 10.48550/arxiv.2310.13431
    Type Other
    Author Heuberger C
    Link Publication
  • 2023
    Title Optimization meets Machine Learning: An Exact Algorithm for Semi-Supervised Support Vector Machines
    DOI 10.48550/arxiv.2312.09789
    Type Other
    Author Piccialli V
    Link Publication
  • 2021
    Title The Inviscid Limit of Third-Order Linear and Nonlinear Acoustic Equations
    DOI 10.1137/21m139390x
    Type Journal Article
    Author Kaltenbacher B
    Journal SIAM Journal on Applied Mathematics
    Pages 1461-1482
    Link Publication
  • 2021
    Title Discretization of parameter identification in PDEs using Neural Networks
    DOI 10.48550/arxiv.2108.10618
    Type Preprint
    Author Kaltenbacher B
  • 2021
    Title An SDP-Based Approach for Computing the Stability Number of a Graph
    DOI 10.48550/arxiv.2108.05716
    Type Preprint
    Author Gaar E
  • 2021
    Title All-At-Once Formulation Meets the Bayesian Approach: A Study of Two Prototypical Linear Inverse Problems
    DOI 10.1201/9781003050575-1
    Type Book Chapter
    Author Schlintl A
    Publisher Taylor & Francis
    Pages 1-44
    Link Publication
  • 2021
    Title On the inverse problem of vibro-acoustography
    DOI 10.48550/arxiv.2109.01907
    Type Preprint
    Author Kaltenbacher B
  • 2021
    Title On the identification of the nonlinearity parameter in the Westervelt equation from boundary measurements
    DOI 10.48550/arxiv.2102.07608
    Type Preprint
    Author Kaltenbacher B
  • 2021
    Title Existence and uniqueness of solutions of SDEs with discontinuous drift and finite activity jumps
    DOI 10.1016/j.spl.2021.109072
    Type Journal Article
    Author Przybylowicz P
    Journal Statistics & Probability Letters
    Pages 109072
    Link Publication
  • 2021
    Title The Euler-Maruyama scheme for SDEs with irregular drift: convergence rates via reduction to a quadrature problem
    DOI 10.1093/imanum/draa007
    Type Journal Article
    Author Neuenkirch A
    Journal IMA Journal of Numerical Analysis
  • 2021
    Title Determining kernels in linear viscoelasticity
    DOI 10.48550/arxiv.2112.14071
    Type Preprint
    Author Kaltenbacher B
Software
  • 2026 Link
    Title Dunja Pucher: VTESH for Paley graphs
    Link Link
  • 2026 Link
    Title Phuoc Truong Huynh: OED for PAT
    Link Link
  • 2025 Link
    Title Jan Schwiddessen: AugmentedMixing.jl
    Link Link
  • 2025 Link
    Title Dunja Pucher: QA and SA algorithms for solving the stable set problem
    Link Link
  • 2025 Link
    Title Jutta Rath: Compute large ideal powers
    Link Link
  • 2025 Link
    Title Teresa Rauscher: Multiharmonic CEUS Simulations
    Link Link
  • 2025 Link
    Title Tobias Wolf: Nested Bregman iterations
    Link Link
  • 2025 Link
    Title Tobias Wolf: Blind deconvolution MHDM
    Link Link
  • 2024 Link
    Title Melanie Siebenhofer: CheegerConvexificationBounds.jl: v.1.0.0
    DOI 10.5281/zenodo.13950395
    Link Link
  • 2024 Link
    Title Iris Rammelmüller: mini_filtering
    Link Link
  • 2024 Link
    Title Melanie Siebenhofer: QMST.jl: v.1.0.0
    DOI 10.5281/zenodo.13950402
    Link Link
  • 2024 Link
    Title Roswitha Rissner: Testing Core Sets
    Link Link
  • 2024 Link
    Title Teresa Rauscher: Nonlinear CEUS Simulations
    Link Link
  • 2024 Link
    Title Melanie Siebenhofer: qmstp-qcr: v.0.0.2
    DOI 10.5281/zenodo.13991614
    Link Link
  • 2024 Link
    Title Melanie Siebenhofer: EdgeExpansion.jl: v.1.0.2
    DOI 10.5281/zenodo.13950332
    Link Link
  • 2024 Link
    Title Melanie Siebenhofer: EdgeExpansionADMM: v.0.0.2
    DOI 10.5281/zenodo.13991656
    Link Link
  • 2023 Link
    Title Diane Puges: Bounds for the Minimum Cutwidth Problem
    Link Link
  • 2023 Link
    Title Dunja Pucher: QA for stable set problem
    Link Link
  • 2023 Link
    Title Roswitha Rissner: BHH Ideal Computations
    Link Link
  • 2022 Link
    Title Verena Schwarz: Simulation Randomized Milstein scheme
    Link Link
  • 2022 Link
    Title Dunja Pucher: SDP-based stable set and coloring bounds
    Link Link
  • 2022 Link
    Title Iris Rammelmüller: PDCPrandlt
    Link Link
Disseminations
  • 2021 Link
    Title Video: all participants: doc.funds doctoral school showcase
    Type A press release, press conference or response to a media enquiry/interview
    Link Link
  • 2020 Link
    Title Web article: Kathrin Spendier: Pure logic, which surprises me again and again
    Type Engagement focused website, blog or social media channel
    Link Link
  • 2021 Link
    Title Newspaper article: Kathrin Spendier: Basis für Innovationen
    Type A press release, press conference or response to a media enquiry/interview
    Link Link
  • 2021 Link
    Title Newspaper article: Iris Rammelmüller: Ein Leben für mathematische Formeln
    Type A press release, press conference or response to a media enquiry/interview
    Link Link
  • 2021 Link
    Title Newspaper article: Michaela Szölgyenyi: Mathematische Zufallsbetrachtung
    Type A press release, press conference or response to a media enquiry/interview
    Link Link
  • 2021 Link
    Title Web article: Johannes Hofmeister: Was das Bergsteigen mit der Mathematik zu tun hat
    Type Engagement focused website, blog or social media channel
    Link Link
  • 2021 Link
    Title Newspaper article: Iris Rammelmüller: Dicke Luft in Zahlen ausgedrückt
    Type A press release, press conference or response to a media enquiry/interview
    Link Link
  • 2022 Link
    Title Newspaper article: Jan Schwiddessen: Mathematiker forscht an der optimalen Lösung für Umsatz und Logistik
    Type A press release, press conference or response to a media enquiry/interview
    Link Link
  • 2021 Link
    Title Web article: Melanie Siebenhofer: Ich denke gerne logisch.
    Type Engagement focused website, blog or social media channel
    Link Link
  • 2023
    Title Lecture: Rissner R.: What are associated primes (for)?. Celebrating Women in Mathematics in Graz 2023, University of Graz, 26.05.2023.
    Type A talk or presentation
  • 2021 Link
    Title Web article: Iris Rammelmüller: Dicke Luft in Zahlen ausgedrückt
    Type Engagement focused website, blog or social media channel
    Link Link
  • 2021 Link
    Title Newspaper article: Kathrin Spendier: Wie man den Zufall mathematisch einfängt
    Type A press release, press conference or response to a media enquiry/interview
    Link Link
  • 2022 Link
    Title Lecture: Szölgyenyi M.: Wissenschaflterinnen* in frühen Karrierephasen in MINT. Women & wyne & Tech - Runde 2!, inovex Events online, 07.07.2022.
    Type A talk or presentation
    Link Link
  • 2022 Link
    Title Newspaper article: Teresa Rauscher: Durchleuchtung per Ultraschall: Ein mathematischer Blick in den Körper
    Type A press release, press conference or response to a media enquiry/interview
    Link Link
  • 2022 Link
    Title Web article: Sarah Selkirk: Enjoying the creativity of mathematics
    Type Engagement focused website, blog or social media channel
    Link Link
  • 2022 Link
    Title Newspaper article: Teresa Rauscher: Der Blick nach Innen
    Type A press release, press conference or response to a media enquiry/interview
    Link Link
  • 2021 Link
    Title Web article: Verena Schwarz: Entwicklungen mathematisch beschreiben
    Type Engagement focused website, blog or social media channel
    Link Link
  • 2023
    Title Event: Verena Schwarz: Doctoral Day: Benefits and challenges of short term mobility
    Type Participation in an activity, workshop or similar
Scientific Awards
  • 2023
    Title Award of excellence - Staatspreis for the best dissertations
    Type Research prize
    Level of Recognition National (any country)
  • 2023
    Title Colloquia in Combinatorics poster prize
    Type Poster/abstract prize
    Level of Recognition Continental/International
  • 2023
    Title Rendl F., Pucher D.: Bounds for Stable-Set and Coloring using (small) maximal Cliques. R-O-MA-CUT-E Workshop on Combinatorial Optimization , Roma, IASI, 14.09.2023.
    Type Personally asked as a key note speaker to a conference
    Level of Recognition Continental/International
  • 2022
    Title Förderpreis des Landes Kärnten
    Type Research prize
    Level of Recognition Regional (any country)
  • 2022
    Title Rendl F., Pucher D.: Stable-Set and Coloring bounds based on k-ones 0-1 quadratic optimization. CWI, Workshop on Semidefinite and Polynominal Optimization, Amsterdam, Science Park Congress Center (Science Park 125), 31.08.2022.
    Type Personally asked as a key note speaker to a conference
    Level of Recognition Continental/International
Fundings
  • 2024
    Title Diane Puges: Forschungsförderungsprogramm "Internationale Kommunikation"
    Type Travel/small personal
    Start of Funding 2024
    Funder Österreichische Forschungsgemeinschaft (ÖFG)
  • 2023
    Title Jutta Rath: Mobility grant
    Type Travel/small personal
    Start of Funding 2023
    Funder University of Klagenfurt
  • 2023
    Title Phuoc Truong Hyunh: Mobility grant
    Type Travel/small personal
    Start of Funding 2023
    Funder University of Klagenfurt
  • 2024
    Title Jutta Rath: Mobility grant
    Type Travel/small personal
    Start of Funding 2024
    Funder University of Klagenfurt
  • 2023
    Title Teresa Rauscher: Young Scientist Mentoring
    Type Research grant (including intramural programme)
    Start of Funding 2023
    Funder University of Klagenfurt
  • 2024
    Title Iris Rammelmüller: Young Scientist Mentoring
    Type Research grant (including intramural programme)
    Start of Funding 2024
    Funder University of Klagenfurt
  • 2022
    Title Sarah Selkirk: Conference grant
    Type Travel/small personal
    Start of Funding 2022
    Funder American Mathematical Society
  • 2024
    Title Diana-Elena Mirciu: RICAM funding
    Type Travel/small personal
    Start of Funding 2024
    Funder Johann Radon Institute for Computational and Applied Mathematics (RICAM)
  • 2023
    Title Jan Schwiddessen: Mobility grant
    Type Travel/small personal
    Start of Funding 2023
    Funder University of Klagenfurt
  • 2023
    Title Roswitha Rissner: Mobility grant
    Type Travel/small personal
    Start of Funding 2023
    Funder University of Klagenfurt
  • 2023
    Title Sarah Selkirk: Mobility grant
    Type Travel/small personal
    Start of Funding 2023
    Funder University of Klagenfurt
  • 2024
    Title Verena Schwarz: Young Scientist Mentoring
    Type Research grant (including intramural programme)
    Start of Funding 2024
    Funder University of Klagenfurt
  • 2021
    Title Sarah Selkirk: Mobility grant
    Type Travel/small personal
    Start of Funding 2021
    Funder University of Klagenfurt
  • 2024
    Title Roswitha Rissner: Mobility grant
    Type Travel/small personal
    Start of Funding 2024
    Funder University of Klagenfurt
  • 2023
    Title Sarah Selkirk: Young Scientist Mentoring
    Type Research grant (including intramural programme)
    Start of Funding 2023
    Funder University of Klagenfurt
  • 2024
    Title Iryna Vasylieva: Young Scientist Mentoring
    Type Research grant (including intramural programme)
    Start of Funding 2024
    Funder University of Klagenfurt
  • 2023
    Title Iris Rammelmüller: visiting stipend
    Type Studentship
    Start of Funding 2023
    Funder University of Potsdam
  • 2023
    Title Melanie Siebenhofer: Mobility grant
    Type Travel/small personal
    Start of Funding 2023
    Funder University of Klagenfurt
  • 2024
    Title Tobias Wolf: Mobility grant
    Type Travel/small personal
    Start of Funding 2024
    Funder University of Klagenfurt
  • 2022
    Title Melanie Siebenhofer: Oberwolfach Leibniz Graduate Student (OWLG)
    Type Travel/small personal
    Start of Funding 2022
    Funder Mathematisches Forschungsinstitut Oberwolfach (MFO)
  • 2023
    Title Teresa Rauscher: Mobility grant
    Type Travel/small personal
    Start of Funding 2023
    Funder University of Klagenfurt
  • 2023
    Title Verena Schwarz: Mobility grant
    Type Travel/small personal
    Start of Funding 2023
    Funder University of Klagenfurt
  • 2024
    Title Diane Puges: Mobility grant
    Type Travel/small personal
    Start of Funding 2024
    Funder University of Klagenfurt
  • 2024
    Title Jan Schwiddessen: Mobility grant
    Type Travel/small personal
    Start of Funding 2024
    Funder University of Klagenfurt
  • 2024
    Title Roswitha Rissner: Antragsförderung
    Type Research grant (including intramural programme)
    Start of Funding 2024
    Funder University of Klagenfurt
  • 2024
    Title Roswitha Rissner: Aufenthalt eines:r Gastwissenschafters:in
    Type Research grant (including intramural programme)
    Start of Funding 2024
    Funder University of Klagenfurt
  • 2023
    Title Diane Puges: Oberwolfach Leibniz Graduate Student (OWLG)
    Type Travel/small personal
    Start of Funding 2023
    Funder Mathematisches Forschungsinstitut Oberwolfach (MFO)

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