@unpublished{DoedingRaveendranVerfuerth26,
      title={Optimization-Based Identification of Effective Coefficients for Wave Equations in Spatio-Temporal Metamaterials}, 
      author={Christian Döding and Vishnu Raveendran and Barbara Verfürth},
      year={2026},
      note={preprint},
      eprint={arxiv:2608.05779},
}