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If you wish to report a bug, or if you are interested in having us mirror your free-software or open-source project, please feel free to contact us at mirror[@]metanet.ch.

To cite 'quadrupen' in publications, please use:

Grandvalet Y, Chiquet J, Ambroise C (2018). “Sparsity by Worst-Case Quadratic Penalties.” arXiv. https://arxiv.org/abs/1210.2077.

Corresponding BibTeX entry: 

  @TechReport{quadrupen,
    institution = {arXiv},
    author = {Yves Grandvalet and Julien Chiquet and Christophe
      Ambroise},
    title = {Sparsity by Worst-Case Quadratic Penalties},
    year = {2018},
    url = {https://arxiv.org/abs/1210.2077},
  }

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.