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Research Group of Prof. Dr. André Uschmajew

Mr. Uschmajew is now at MPI MIS. This page is no longer maintained.

Contact Information

E-Mail: ed tod nnob-inu tod sni ta wejamhcsua tod b@foo tod de


Summer semester 2017

Winter semester 2016/17

Summer semester 2016

See teaching activities of the whole group.

Current Research Projects


  1. Perturbation of higher-order singular values. W. Hackbusch, D. Kressner, and A. Uschmajew. SIAM J. Appl. Algebra Geom., 1(1):374–387, 2017. INS Preprint No. 1616. BibTeX DOI
  2. On the interconnection between the higher-order singular values of real tensors. W. Hackbusch and A. Uschmajew. Numer. Math., 135(3):875–894, 2017. INS Preprint No. 1520. BibTeX DOI
  3. On orthogonal tensors and best rank-one approximation ratio. Z. Li, Y. Nakatsukasa, T. Soma, and A. Uschmajew. INS Preprint No. 1707, jul 2017. BibTeX arXiv
  4. Finding a low-rank basis in a matrix subspace. Y. Nakatsukasa, T. Soma, and A. Uschmajew. Math. Program., 162(1-2, Ser. A):325–361, 2017. BibTeX DOI arXiv
  5. Alternating least squares as moving subspace correction. I. V. Oseledets, M. V. Rakhuba, and A. Uschmajew. INS Preprint No. 1712, sep 2017. BibTeX