@techreport{hehl2023coefficientcontrolvariationalinequalities,
      title={Coefficient Control of Variational Inequalities}, 
      author={Andreas Hehl and Denis Khimin and Ira Neitzel and Nicolai Simon and Thomas Wick and Winnifried Wollner},
      year={2023},
      eprint={2307.00869},
      archivePrefix={arXiv},
      primaryClass={math.OC},
      url={https://arxiv.org/abs/2307.00869}, 
      note={accepted},
      institution={arXiv},
  annote = {submitted},
}