Adaptive Finite Elements for Elliptic Optimization Problems with Control Constraints. - Boris Vexler; Winnifried Wollner (SIAM J. Control. Optim., 2008)

A posteriori error estimates for a finite element discretization of interior point methods for an elliptic optimization problem with state constraints. - Winnifried Wollner (Comput. Optim. Appl., 2010)

Adaptive finite element solution of eigenvalue problems: Balancing of discretization and iteration error. - Rolf Rannacher; Antje Westenberger; Winnifried Wollner (J. Num. Math., 2010)

A priori error estimates for optimal control problems with pointwise constraints on the gradient of the state. - Christoph Ortner; Winnifried Wollner (Numerische Mathematik, 2011)

Barrier Methods for Optimal Control Problems with Convex Nonlinear Gradient State Constraints. - Anton Schiela; Winnifried Wollner (SIAM J. Optim., 2011)

A Posteriori Error Estimation in PDE-constrained Optimization with Pointwise Inequality Constraints. - Rolf Rannacher; Boris Vexler; Winnifried Wollner (Constrained Optimization and Optimal Control for Partial Differential Equations, 2012)

Optimal Control of Elliptic Equations with Pointwise Constraints on the Gradient of the State in Nonsmooth Polygonal Domains. - Winnifried Wollner (SIAM J. Control. Optim., 2012)

A Priori Error Estimates for Optimal Control Problems with Constraints on the Gradient of the State on Nonsmooth Polygonal Domains. - Winnifried Wollner (Control and Optimization with PDE Constraints, 2013)

Iterative solution of operator Lyapunov equations arising in heat transfer. - Timo Reis; Winnifried Wollner (ECC, 2013)

Finite-Rank ADI Iteration for Operator Lyapunov Equations. - Mark R. Opmeer; Timo Reis; Winnifried Wollner (SIAM J. Control. Optim., 2013)

Optimal control of the temperature in a catalytic converter. - Ingenuin Gasser; Martin Rybicki; Winnifried Wollner (Comput. Math. Appl., 2014)

The Length of the Primal-Dual Path in Moreau-Yosida-Based Path-Following Methods for State Constrained Optimal Control. - Michael Hintermüller; Anton Schiela; Winnifried Wollner (SIAM J. Optim., 2014)

A Priori Error Estimates for a Finite Element Discretization of Parabolic Optimization Problems with Pointwise Constraints in Time on Mean Values of the Gradient of the State. - Francesco Ludovici; Winnifried Wollner (SIAM J. Control. Optim., 2015)

Adaptive Optimal Control of the Obstacle Problem. - Christian Meyer 001; Andreas Rademacher; Winnifried Wollner (SIAM J. Sci. Comput., 2015)

An Optimal Control Problem Governed by a Regularized Phase-Field Fracture Propagation Model. - Ira Neitzel; Thomas Wick; Winnifried Wollner (SIAM J. Control. Optim., 2017)

A Priori Error Estimates for State-Constrained Semilinear Parabolic Optimal Control Problems. - Francesco Ludovici; Ira Neitzel; Winnifried Wollner (J. Optim. Theory Appl., 2018)

A priori (L^2 ) -discretization error estimates for the state in elliptic optimization problems with pointwise inequality state constraints. - Ira Neitzel; Winnifried Wollner (Numerische Mathematik, 2018)

Adaptive Numerical Simulation of a Phase-Field Fracture Model in Mixed Form Tested on an L-shaped Specimen with High Poisson Ratios. - Katrin Mang; Mirjam Walloth; Thomas Wick; Winnifried Wollner (ENUMATH, 2019)

Mesh adaptivity for quasi-static phase-field fractures based on a residual-type a posteriori error estimator. - Katrin Mang; Mirjam Walloth; Thomas Wick; Winnifried Wollner (CoRR, 2019)

Optimization with nonstationary, nonlinear monolithic fluid-structure interaction. - Thomas Wick; Winnifried Wollner (CoRR, 2019)

A decomposition method for MINLPs with Lipschitz continuous nonlinearities. - Martin Schmidt 003; Mathias Sirvent; Winnifried Wollner (Math. Program., 2019)

An Optimal Control Problem Governed by a Regularized Phase-Field Fracture Propagation Model. Part II: The Regularization Limit. - Ira Neitzel; Thomas Wick; Winnifried Wollner (SIAM J. Control. Optim., 2019)

Multigoal-oriented optimal control problems with nonlinear PDE constraints. - Bernhard Endtmayer; Ulrich Langer; Ira Neitzel; Thomas Wick; Winnifried Wollner (Comput. Math. Appl., 2020)

Finite Element Methods for One Dimensional Elliptic Distributed Optimal Control Problems with Pointwise Constraints on the Derivative of the State. - Susanne C. Brenner; Li-Yeng Sung; Winnifried Wollner (CoRR, 2020)

A One Dimensional Elliptic Distributed Optimal Control Problem with Pointwise Derivative Constraints. - Susanne C. Brenner; Li-Yeng Sung; Winnifried Wollner (CoRR, 2020)

Adaptive and Pressure-Robust Discretization of Incompressible Pressure-Driven Phase-Field Fracture. - Seshadri Basava; Katrin Mang; Mirjam Walloth; Thomas Wick; Winnifried Wollner (CoRR, 2020)

A Stochastic Gradient Method With Mesh Refinement for PDE-Constrained Optimization Under Uncertainty. - Caroline Geiersbach; Winnifried Wollner (SIAM J. Sci. Comput., 2020)

Optimality Conditions for Convex Stochastic Optimization Problems in Banach Spaces with Almost Sure State Constraints. - Caroline Geiersbach; Winnifried Wollner (SIAM J. Optim., 2021)

Pressure robust mixed methods for nearly incompressible elasticity. - Seshadri R. Basava; Winnifried Wollner (CoRR, 2022)

The cost of not knowing enough: mixed-integer optimization with implicit Lipschitz nonlinearities. - Martin Schmidt 003; Mathias Sirvent; Winnifried Wollner (Optim. Lett., 2022)

A Posteriori Estimator for the Adaptive Solution of a Quasi-Static Fracture Phase-Field Model with Irreversibility Constraints. - Mirjam Walloth; Winnifried Wollner (SIAM J. Sci. Comput., 2022)

Pressure-Robustness in the Context of Optimal Control. - Christian Merdon; Winnifried Wollner (SIAM J. Control. Optim., 2023)

Gradient Robust Mixed Methods for Nearly Incompressible Elasticity. - Seshadri R. Basava; Winnifried Wollner (J. Sci. Comput., 2023)

A Successive Linear Relaxation Method for MINLPs with Multivariate Lipschitz Continuous Nonlinearities. - Julia Grübel; Richard Krug; Martin Schmidt 003; Winnifried Wollner (J. Optim. Theory Appl., 2023)

Numerical Eigenvalue Optimization by Shape-Variations for Maxwell's Eigenvalue Problem. - Christine Herter; Sebastian Schöps; Winnifried Wollner (CoRR, 2024)

Shape Optimization of Optical Microscale Inclusions. - Manaswinee Bezbaruah; Matthias Maier; Winnifried Wollner (SIAM J. Sci. Comput., 2024)

A posteriori error analysis for optimization with PDE constraints. - Fernando Gaspoz; Christian Kreuzer; Andreas Veeser; Winnifried Wollner (CoRR, 2025)