• A presentation of the trace algebra of three 3x3 matrices Journal of Algebra (2012) 358: 257-268

  • Reflection arrangements are hereditarily free (with G. Röhrle) arXiv:1205.5430
  • On inductively free reflection arrangements (with G. Röhrle) arXiv:1208.3131
  • On supersolvable reflection arrangements (with G. Röhrle) arXiv:1209.1919
  • Free but not recursively free arrangements (with M. Cuntz) arXiv:1302.4055
  • The freeness of ideal subarrangements of Weyl arrangements (with T. Abe, M. Barakat, M. Cuntz and H. Terao) arXiv:1304.8033