Publications


114 entries « 1 of 3 »

2024

Maria Eduarda Pinheiro, Jan Pablo Burgard; Schmidt, Martin

Mixed-integer quadratic optimization and iterative clustering techniques for semi-supervised support vector machines Journal Article

In: Transactions in Operations Research (TOP), 2024.

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2022

Schlegel, L.; Schulz, V.

Shape Optimization for the Mitigation of Coastal Erosion via Porous Shallow Water Equations Journal Article

In: International Journal for Numerical Methods in Engineering, 2022.

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Burgard, Jan Pablo; Costa, Carina Moreira; Schmidt, Martin

Decomposition Methods for Robustified κ-Means Clustering Problems: If Less Conservative Does Not Mean Less Bad Journal Article

In: Annals of Operations Research, 2022.

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Costa, Carina Moreira; Kreber, Dennis; Schmidt, Martin

An Alternating Method for Cardinality-Constrained Optimization: A Computational Study for the Best Subset Selection and Sparse Portfolio Problem Journal Article

In: INFORMS Journal on Computing, 2022.

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Beck, Yasmine; Bienstock, Daniel; Schmidt, Martin; Thürauf, Johannes

On a Computationally Ill-Behaved Bilevel Problem with a Continuous and Nonconvex Lower Level Technical Report

2022, (Submitted to Journal of Optimization Theory and Application).

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Beck, Yasmine; Ljubi'c, Ivana; Schmidt, Martin

A Survey on Bilevel Optimization Under Uncertainty Technical Report

2022, (Submitted to European Journal of Operational Research).

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Costa, Carina Moreira; Kreber, Dennis; Schmidt, Martin

An Alternating Method for Cardinality-Constrained Optimization: A Computational Study for the Best Subset Selection and Sparse Portfolio Problem Journal Article

In: INFORMS Journal on Computing, 2022.

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Beck, Yasmine; Bienstock, Daniel; Schmidt, Martin; Thürauf, Johannes

On a Computationally Ill-Behaved Bilevel Problem with a Continuous and Nonconvex Lower Level Technical Report

2022, (Submitted to Journal of Optimization Theory and Application).

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Beck, Yasmine; Schmidt, Martin

A robust approach for modeling limited observability in bilevel optimization Journal Article

In: vol. 49, no. 5, pp. 752–758, 2022, ISSN: 0167-6377.

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Beck, Yasmine; Bienstock, Daniel; Schmidt, Martin; Thürauf, Johannes

On a Computationally Ill-Behaved Bilevel Problem with a Continuous and Nonconvex Lower Level Technical Report

2022, (Submitted to Journal of Optimization Theory and Application).

BibTeX

Sokolowski, J.; Schulz, V.; Beise, H. P.; Schroeder, U.

A hybrid objective function for robustness of artificial neural networks-estimation of parameters in a mechanical system Journal Article

In: Electron. Trans. Numer. Anal., vol. 56, pp. 209-234, 2022.

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2021

Sembach, L.; Burgard, J. P.; Schulz, V.

A Riemannian Newton trust-region method for fitting Gaussian mixture models Journal Article

In: Statistics and Computing, vol. 32, no. 8, 2021.

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Schmitt, B.; Khoromskij, B.; Schulz, V.

Tensor Method for Optimal Control Problems Constrained by Fractional 3D Elliptic Operator with Variable Coefficients Journal Article

In: Numerical Linear Algebra with Applications, 2021.

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Belak, C.; Hoffmann, D.; Seifried, F.

Branching Diffusions with Jumps and Valuation with Systemic Counterparties Journal Article

In: Journal of Computational Finance, 2021.

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Burgard, J. P.; Schulz, V.; Sembach, L.

A Riemannian Newton Trust-Region Algorithm for Fitting Gaussian Mixture Models Journal Article

In: 2021.

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Siebenborn, M.; Wagner, J.

A Multigrid Preconditioner for Tensor Product Spline Smoothing Journal Article

In: Computational Statistics, 2021.

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Harmening, M.; Marheineke, N.; Wegener, R.

Efficient graph-based tensile strength simulations of random fiber structures Journal Article

In: ZAMM - Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik, 2021.

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Beck, Y.; Schmidt, M.

A Robust Approach for Modeling Limited Observability in Bilevel Optimization Journal Article

In: 2021.

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Gabriel, Steven A.; Leal, Marina; Schmidt, Martin

On linear bilevel optimization problems with complementarity-constrained lower levels Journal Article

In: Journal of the Operational Research Society, 2021.

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Beck, Yasmine; Ljubi'c, Ivana; Schmidt, Martin

Exact Methods for Discrete $Gamma$-Robust Interdiction Problems with an Application to the Bilevel Knapsack Problem Technical Report

2021, (Submitted to Mathematical Programming Computation).

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Gabriel, Steven A.; Leal, Marina; Schmidt, Martin

On linear bilevel optimization problems with complementarity-constrained lower levels Journal Article

In: Journal of the Operational Research Society, 2021.

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Beck, Yasmine; Ljubi'c, Ivana; Schmidt, Martin

Exact Methods for Discrete $Gamma$-Robust Interdiction Problems with an Application to the Bilevel Knapsack Problem Technical Report

2021, (Submitted to Mathematical Programming Computation).

BibTeX

Beck, Yasmine; Ljubi'c, Ivana; Schmidt, Martin

Exact Methods for Discrete $Gamma$-Robust Interdiction Problems with an Application to the Bilevel Knapsack Problem Technical Report

2021, (Submitted to Mathematical Programming Computation).

BibTeX

Beck, Yasmine; Ljubić, Ivana; Schmidt, Martin

Exact Methods for Discrete Gamma-Robust Min-Max Problems Technical Report

2021.

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Gabriel, S. A.; Leal, M.; Schmidt, M.

Solving Binary-Constrained Mixed Complementarity Problems Using Continuous Reformulations Journal Article

In: Computers & Operations Research, 2021.

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Belak, C.; Hoffmann, D.; Seifried, F.

Continuous-Time Mean Field Games with Finite State Space and Common Noise Journal Article

In: Applied Mathematics and Optimization (2021+), 2021.

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Frerick, L.; Müller-Fürstenberger, G.; Schmidt, M.; Späth, M.

Complementarity Modeling of a Ramsey-Type Equilibrium Problem with Heterogeneous Agents Journal Article

In: Computational Economics, 2021.

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Siebenborn, M.; Wagner, J.

mgss: A Matrix-Free Multigrid Preconditioner for Spline Smoothing Technical Manual

2021, (R package version 1.0).

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Wagner, J.; Kauermann, G.; Münnich, R.

Matrix-free Penalized Spline Smoothing with Multiple Covariates Miscellaneous

2021.

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2020

Roland, M.; Schmidt, M.

Mixed-integer nonlinear optimization for district heating network expansion Journal Article

In: at - Automatisierungstechnik, vol. 68, no. 12, pp. 985-1000, 2020, ISSN: 2196-677X.

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Gabriel, S. A.; Leal, M.; Schmidt, M.

On Linear Bilevel Optimization Problems with Complementarity-Constrained Lower Levels Technical Report

2020.

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Heidel, G.; Khoromskaia, V.; Khoromskij, B. N.; Schulz, V.

Tensor Approach to Optimal Control Problems with Fractional d-Dimensional Elliptic Operator in Constraints Miscellaneous

2020.

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Capodaglio, G.; D'Elia, M.; Gunzburger, M.; Bochev, P.; Klar, M.; Vollmann, C.

A general framework for substructuring-based domain decomposition methods for models having nonlocal interactions Miscellaneous

2020.

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de Vries, S.; Vohra, R. V.

Matroidal Approximations of Independence Systems Journal Article

In: Operations Research Letters, vol. 48, pp. 587-593, 2020.

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D'Elia, M.; Gunzburger, M.; Vollmann, C.

A cookbook for finite element methods for nonlocal problems, including quadrature rule choices and the use of approximate balls. Journal Article

In: Mathematical Models and Methods in Applied Sciences (M3AS), vol. 31, 2020, (accepted in M3AS).

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Burgard, J. P.; Costa, C. M.; Schmidt, M.

Decomposition Methods for Robustified k-Means Clustering Problems: If Less Conservative Does Not Mean Less Bad Technical Report

2020.

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Leal, M.; Ponce, D.; Puerto, J.

Portfolio problems with two levels decision-makers: Optimal portfolio selection with pricing decisions on transaction costs Journal Article

In: European Journal of Operational Research, 2020, ISSN: 0377-2217.

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Müller, J.; Schenk, C.; Keicher, R.; Schmidt, D.; Schulz, V.; Velten, K.

Optimization of an Externally Mixed Biogas Plant Using a Robust CFD Method Journal Article

In: Computers and Electronics in Agriculture, 2020.

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Stahl, N.; Marheineke, N.

Efficient State Estimation for Gas Networks via Low-Rank Approximations Journal Article

In: IEEE Control System Letters, 2020.

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Tolle, K.; Marheineke, N.

On Online Parameter Identification in Laser-Induced Thermotherapy Book Section

In: Modeling, Simulation and Optimization in the Health- and Energy-Sector, Springer, 2020.

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Schmitt, B.; Khoromskij, B. N.; Khoromskaia, V.; Schulz, V.

Tensor Method for Optimal Control Problems Constrained by Fractional 3D Elliptic Operator with Variable Coefficients Miscellaneous

2020.

BibTeX

de Vries, S.; Perscheid, B.

Tight Compact Extended Relaxations for Nonconvex Quadratic Programming Problems with Box Constraints Miscellaneous

2020, (submitted).

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Groetzner, P.; Dür, M.

A factorization method for completely positive matrices Journal Article

In: Linear Algebra and its Applications, vol. 591, pp. 1 - 24, 2020, ISSN: 0024-3795.

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Burgard, J. P.; de Vries, S.; Kreber, D.; Friedrich, U.

Exact Solution of the Donor-Limited Nearest Neighbor Hot Deck Imputation Problem Miscellaneous

2020, (in submission).

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de Vries, S.; Perscheid, B.

A Smaller Extended Formulation for the Odd Cycle Inequalities of the Stable Set Polytope Journal Article

In: Discrete Applied Mathematics, 2020.

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de Vries, S.; Friedrich, U.; Perscheid, B.

An Extended Formulation for the 1-Wheel Inequalities of the Stable Set Polytope Journal Article

In: Networks, 75:1, pp. 86-94, 2020.

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Burgard, J. P.; Dörr, P.; Münnich, R.

Monte‐Carlo Simulation Studies in Survey Statistics – An Appraisal Technical Report

Trier University 2020, (urlhttps://www.uni-trier.de/fileadmin/fb4/prof/VWL/EWF/Research_Papers/2020-04.pdf).

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de Vries, S.; Perscheid, B.

An Improved Extended Formulation for the Odd Cycle Inequalities of the Stable Set Polytope Miscellaneous

2020, (to appear).

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Hauschild, S.; Marheineke, N.; Mehrmann, V.; Mohring, J.; Badlyan, A. M.; Rein, M.; Schmidt, M.

Port-Hamiltonian modeling of district heating networks Book Section

In: Reis, T; Grundel, S; Schöps, S (Ed.): Progress in Differential Algebraic Equations II, Springer, 2020.

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2019

Vollmann, C.; Schulz, V.

Exploiting Multilevel Toeplitz Structures in High Dimensional Nonlocal Diffusion Journal Article

In: Comput. Vis. Sci., 2019, ISSN: 1433-0369.

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114 entries « 1 of 3 »