Staff at the Department of Mathematical Sciences – University of Copenhagen

Matthias Christandl

Matthias Christandl

Professor

Member of:


    1. 2018
    2. Published

      The border support rank of two-by-two matrix multiplication is seven. / Bläser, Markus; Christandl, Matthias; Zuiddam, Jeroen.

      In: Chicago Journal of Theoretical Computer Science, Vol. 2018, 5, 2018, p. 1-16.

      Research output: Contribution to journalJournal articleResearchpeer-review

    3. Published

      Random Private Quantum States. / Christandl, Matthias; Ferrara, Roberto; Lancien, Cecilia.

      2018 IEEE International Symposium on Information Theory, ISIT 2018. IEEE, 2018. p. 1784-1788.

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    4. Published

      Recoupling Coefficients and Quantum Entropies. / Christandl, Matthias; Sahinoglu, M. Burak; Walter, Michael.

      In: Annales Henri Poincare, Vol. 19, No. 2, 02.2018, p. 385-410.

      Research output: Contribution to journalJournal articleResearchpeer-review

    5. Published

      Tensor rank is not multiplicative under the tensor product. / Christandl, Matthias; Jensen, Asger Kjærulff; Zuiddam, Jeroen.

      In: Linear Algebra and Its Applications, Vol. 543, 15.04.2018, p. 125-139.

      Research output: Contribution to journalJournal articleResearchpeer-review

    6. E-pub ahead of print

      Tensor surgery and tensor rank. / Christandl, Matthias; Zuiddam, Jeroen.

      In: Computational Complexity, 2018.

      Research output: Contribution to journalJournal articleResearchpeer-review

    7. Published

      Generalized Pauli constraints in small atoms. / Schilling, Christian; Altunbulak, Murat; Knecht, Stefan; Lopes, Alexandre; Whitfield, James D.; Christandl, Matthias; Gross, David; Reiher, Markus.

      In: Physical Review A, Vol. 97, No. 5, 052503, 09.05.2018.

      Research output: Contribution to journalJournal articleResearchpeer-review

    8. 2017
    9. Published

      Membership in Moment Polytopes is in NP and coNP. / Buergisser, Peter; Christandl, Matthias; Mulmuley, Ketan D.; Walter, Michael.

      In: S I A M Journal on Computing, Vol. 46, No. 3, 2017, p. 972-991.

      Research output: Contribution to journalJournal articleResearchpeer-review

    10. Published

      Nondeterministic quantum communication complexity : The cyclic equality game and iterated matrix multiplication. / Buhrman, Harry; Christandl, Matthias; Zuiddam, Jeroen.

      8th Innovations in Theoretical Computer Science Conference, ITCS 2017. ed. / Christos H. Papadimitriou. Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2017. p. 1-18 24.

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

    11. Published

      Analytic next-to-nearest-neighbor XX models with perfect state transfer and fractional revival. / Christandl, Matthias; Vinet, Luc; Zhedanov, Alexei.

      In: Physical Review A, Vol. 96, No. 3, 032335, 25.09.2017.

      Research output: Contribution to journalJournal articleResearchpeer-review

    12. Published

      Private States, Quantum Data Hiding, and the Swapping of Perfect Secrecy. / Christandl, Matthias; Ferrara, Roberto.

      In: Physical Review Letters, Vol. 119, No. 22, 220506, 30.11.2017.

      Research output: Contribution to journalJournal articleResearchpeer-review

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