@misc{hu-xie-yuan-zhang-2026-matro,
  author        = {Wei Hu and Pengcheng Xie and Ya-xiang Yuan and Li Zhang},
  title         = {{MATRO}: Metric-Aware Fully Quadratic Trust Regions for Derivative-Free Optimization},
  year          = {2026},
  eprint        = {2605.30845},
  archivePrefix = {arXiv},
  primaryClass  = {math.OC},
  url           = {https://arxiv.org/abs/2605.30845},
  keywords      = {optimization}
}

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